chiark / gitweb /
Initial stab at supporting ninja and meson builds
[termux-packages] / build-package.sh
1 #!/bin/bash
2
3 set -e -o pipefail -u
4
5 # Utility function to log an error message and exit with an error code.
6 termux_error_exit() {
7         echo "ERROR: $*" 1>&2
8         exit 1
9 }
10
11 # Utility function to download a resource, optionally checking against a checksum.
12 termux_download() {
13         local URL="$1"
14         local DESTINATION="$2"
15
16         if [ -f "$DESTINATION" ] && [ $# = 3 ] && [ -n "$3" ]; then
17                 # Keep existing file if checksum matches.
18                 local EXISTING_CHECKSUM
19                 EXISTING_CHECKSUM=$(sha256sum "$DESTINATION" | cut -f 1 -d ' ')
20                 if [ "$EXISTING_CHECKSUM" = "$3" ]; then return; fi
21         fi
22
23         local TMPFILE
24         TMPFILE=$(mktemp "$TERMUX_PKG_TMPDIR/download.$TERMUX_PKG_NAME.XXXXXXXXX")
25         echo "Downloading ${URL}"
26         local TRYMAX=6
27         for try in $(seq 1 $TRYMAX); do
28                 if curl -L --fail --retry 2 -o "$TMPFILE" "$URL"; then
29                         local ACTUAL_CHECKSUM
30                         ACTUAL_CHECKSUM=$(sha256sum "$TMPFILE" | cut -f 1 -d ' ')
31                         if [ $# = 3 ] && [ -n "$3" ]; then
32                                 # Optional checksum argument:
33                                 local EXPECTED=$3
34                                 if [ "$EXPECTED" != "$ACTUAL_CHECKSUM" ]; then
35                                         >&2 printf "Wrong checksum for %s:\nExpected: %s\nActual:   %s\n" \
36                                                    "$URL" "$EXPECTED" "$ACTUAL_CHECKSUM"
37                                         exit 1
38                                 fi
39                         else
40                                 printf "No validation of checksum for %s:\nActual: %s\n" \
41                                        "$URL" "$ACTUAL_CHECKSUM"
42                         fi
43                         mv "$TMPFILE" "$DESTINATION"
44                         return
45                 else
46                         echo "Download of $URL failed (attempt $try/$TRYMAX)" 1>&2
47                         sleep 45
48                 fi
49         done
50
51         termux_error_exit "Failed to download $URL"
52 }
53
54 # Utility function for golang-using packages to setup a go toolchain.
55 termux_setup_golang() {
56         export GOOS=android
57         export CGO_ENABLED=1
58         export GO_LDFLAGS="-extldflags=-pie"
59         if [ "$TERMUX_ARCH" = "arm" ]; then
60                 export GOARCH=arm
61                 export GOARM=7
62         elif [ "$TERMUX_ARCH" = "i686" ]; then
63                 export GOARCH=386
64                 export GO386=sse2
65         elif [ "$TERMUX_ARCH" = "aarch64" ]; then
66                 export GOARCH=arm64
67         elif [ "$TERMUX_ARCH" = "x86_64" ]; then
68                 export GOARCH=amd64
69         else
70                 termux_error_exit "Unsupported arch: $TERMUX_ARCH"
71         fi
72
73         local TERMUX_GO_VERSION=go1.8.3
74         local TERMUX_GO_PLATFORM=linux-amd64
75
76         local TERMUX_BUILDGO_FOLDER=$TERMUX_COMMON_CACHEDIR/${TERMUX_GO_VERSION}
77         export GOROOT=$TERMUX_BUILDGO_FOLDER
78         export PATH=$GOROOT/bin:$PATH
79
80         if [ -d "$TERMUX_BUILDGO_FOLDER" ]; then return; fi
81
82         local TERMUX_BUILDGO_TAR=$TERMUX_COMMON_CACHEDIR/${TERMUX_GO_VERSION}.${TERMUX_GO_PLATFORM}.tar.gz
83         rm -Rf "$TERMUX_COMMON_CACHEDIR/go" "$TERMUX_BUILDGO_FOLDER"
84         termux_download https://storage.googleapis.com/golang/${TERMUX_GO_VERSION}.${TERMUX_GO_PLATFORM}.tar.gz \
85                         "$TERMUX_BUILDGO_TAR" \
86                         1862f4c3d3907e59b04a757cfda0ea7aa9ef39274af99a784f5be843c80c6772
87
88         ( cd "$TERMUX_COMMON_CACHEDIR"; tar xf "$TERMUX_BUILDGO_TAR"; mv go "$TERMUX_BUILDGO_FOLDER"; rm "$TERMUX_BUILDGO_TAR" )
89 }
90
91 # Utility function for cmake-built packages to setup a current ninja.
92 termux_setup_ninja() {
93         local NINJA_VERSION=1.7.2
94         local NINJA_FOLDER=$TERMUX_COMMON_CACHEDIR/ninja-$NINJA_VERSION
95         if [ ! -x $NINJA_FOLDER/ninja ]; then
96                 mkdir -p $NINJA_FOLDER
97                 local NINJA_ZIP_FILE=$TERMUX_PKG_TMPDIR/ninja-$NINJA_VERSION.zip
98                 termux_download https://github.com/ninja-build/ninja/releases/download/v$NINJA_VERSION/ninja-linux.zip \
99                         $NINJA_ZIP_FILE \
100                         38fa8cfb9c1632a5cdf7a32fe1a7c5aa89e96c1d492c28624f4cc018e68458b9
101                 unzip $NINJA_ZIP_FILE -d $NINJA_FOLDER
102         fi
103         export PATH=$NINJA_FOLDER:$PATH
104 }
105
106 # Utility function for cmake-built packages to setup a current meson.
107 termux_setup_meson() {
108         termux_setup_ninja
109         local MESON_VERSION=0.41.2
110         local MESON_FOLDER=$TERMUX_COMMON_CACHEDIR/meson-$MESON_VERSION
111         if [ ! -d "$MESON_FOLDER" ]; then
112                 local MESON_TAR_NAME=meson-$MESON_VERSION.tar.gz
113                 local MESON_TAR_FILE=$TERMUX_PKG_TMPDIR/$MESON_TAR_NAME
114                 termux_download \
115                         https://github.com/mesonbuild/meson/releases/download/$MESON_VERSION/meson-$MESON_VERSION.tar.gz \
116                         $MESON_TAR_FILE \
117                         074dd24fd068be0893e2e45bcc35c919d8e12777e9d6a7efdf72d4dc300867ca
118                 tar xf "$MESON_TAR_FILE" -C "$TERMUX_COMMON_CACHEDIR"
119                 (cd $MESON_FOLDER && patch -p1 < $TERMUX_SCRIPTDIR/scripts/meson-android.patch)
120         fi
121         TERMUX_MESON="$MESON_FOLDER/meson.py"
122         TERMUX_MESON_CROSSFILE=$TERMUX_COMMON_CACHEDIR/meson-crossfile-v1.txt
123         if [ ! -f $TERMUX_MESON_CROSSFILE ]; then
124                 local MESON_CPU MESON_CPU_FAMILY
125                 if [ $TERMUX_ARCH = "arm" ]; then
126                         MESON_CPU_FAMILY="arm"
127                         MESON_CPU="armv7"
128                 elif [ $TERMUX_ARCH = "i686" ]; then
129                         MESON_CPU_FAMILY="x86"
130                         MESON_CPU="i686"
131                 elif [ $TERMUX_ARCH = "x86_64" ]; then
132                         MESON_CPU_FAMILY="x86_64"
133                         MESON_CPU="x86_64"
134                 elif [ $TERMUX_ARCH = "aarch64" ]; then
135                         MESON_CPU_FAMILY="arm"
136                         MESON_CPU="aarch64"
137                 else
138                         termux_error_exit "Unsupported arch: $TERMUX_ARCH"
139                 fi
140
141                 cat > $TERMUX_MESON_CROSSFILE <<-HERE
142                         [binaries]
143                         ar = '$AR'
144                         c = '$CC'
145                         cpp = '$CXX'
146                         ld = '$LD'
147                         pkg-config = '$PKG_CONFIG'
148                         strip = '$STRIP'
149                         [properties]
150                         needs_exe_wrapper = true
151                         [host_machine]
152                         cpu_family = '$MESON_CPU_FAMILY'
153                         cpu = '$MESON_CPU'
154                         endian = 'little'
155                         system = 'android'
156                 HERE
157         fi
158 }
159
160 # Utility function for cmake-built packages to setup a current cmake.
161 termux_setup_cmake() {
162         local TERMUX_CMAKE_MAJORVESION=3.9
163         local TERMUX_CMAKE_MINORVERSION="0"
164         local TERMUX_CMAKE_VERSION=$TERMUX_CMAKE_MAJORVESION.$TERMUX_CMAKE_MINORVERSION
165         local TERMUX_CMAKE_TARNAME=cmake-${TERMUX_CMAKE_VERSION}-Linux-x86_64.tar.gz
166         local TERMUX_CMAKE_TARFILE=$TERMUX_PKG_TMPDIR/$TERMUX_CMAKE_TARNAME
167         local TERMUX_CMAKE_FOLDER=$TERMUX_COMMON_CACHEDIR/cmake-$TERMUX_CMAKE_VERSION
168         if [ ! -d "$TERMUX_CMAKE_FOLDER" ]; then
169                 termux_download https://cmake.org/files/v$TERMUX_CMAKE_MAJORVESION/$TERMUX_CMAKE_TARNAME \
170                                 "$TERMUX_CMAKE_TARFILE" \
171                                 e714ddd55ab9be7ec5e4d30ca1ceee5e23406d7d3bf14457a67180cf54d9834a
172                 rm -Rf "$TERMUX_PKG_TMPDIR/cmake-${TERMUX_CMAKE_VERSION}-Linux-x86_64"
173                 tar xf "$TERMUX_CMAKE_TARFILE" -C "$TERMUX_PKG_TMPDIR"
174                 mv "$TERMUX_PKG_TMPDIR/cmake-${TERMUX_CMAKE_VERSION}-Linux-x86_64" \
175                    "$TERMUX_CMAKE_FOLDER"
176         fi
177         export PATH=$TERMUX_CMAKE_FOLDER/bin:$PATH
178         export CMAKE_INSTALL_ALWAYS=1
179 }
180
181 # First step is to handle command-line arguments. Not to be overridden by packages.
182 termux_step_handle_arguments() {
183         # shellcheck source=/dev/null
184         test -f "$HOME/.termuxrc" && source "$HOME/.termuxrc"
185
186         # Handle command-line arguments:
187         _show_usage () {
188             echo "Usage: ./build-package.sh [-a ARCH] [-d] [-D] PACKAGE"
189             echo "Build a package by creating a .deb file in the debs/ folder."
190             echo "  -a The architecture to build for: aarch64(default), arm, i686, x86_64 or all."
191             echo "  -d Build with debug symbols."
192             echo "  -D Build a disabled package in disabled-packages/."
193             echo "  -f Force build even if package has already been built."
194             echo "  -s Skip dependency check."
195             exit 1
196         }
197         while getopts :a:hdDfs option; do
198                 case "$option" in
199                 a) TERMUX_ARCH="$OPTARG";;
200                 h) _show_usage;;
201                 d) TERMUX_DEBUG=true;;
202                 D) local TERMUX_IS_DISABLED=true;;
203                 f) TERMUX_FORCE_BUILD=true;;
204                 s) export TERMUX_SKIP_DEPCHECK=true;;
205                 ?) termux_error_exit "./build-package.sh: illegal option -$OPTARG";;
206                 esac
207         done
208         shift $((OPTIND-1))
209
210         if [ "$#" -ne 1 ]; then _show_usage; fi
211         unset -f _show_usage
212
213         # Handle 'all' arch:
214         if [ -n "${TERMUX_ARCH+x}" ] && [ "${TERMUX_ARCH}" = 'all' ]; then
215                 for arch in 'aarch64' 'arm' 'i686' 'x86_64'; do
216                         ./build-package.sh ${TERMUX_FORCE_BUILD+-f} -a $arch "$1"
217                 done
218                 exit
219         fi
220
221         # Check the package to build:
222         TERMUX_PKG_NAME=$(basename "$1")
223         export TERMUX_SCRIPTDIR
224         TERMUX_SCRIPTDIR=$(cd "$(dirname "$0")"; pwd)
225         if [[ $1 == *"/"* ]]; then
226                 # Path to directory which may be outside this repo:
227                 if [ ! -d "$1" ]; then termux_error_exit "'$1' seems to be a path but is not a directory"; fi
228                 export TERMUX_PKG_BUILDER_DIR
229                 TERMUX_PKG_BUILDER_DIR=$(realpath "$1")
230                 # Skip depcheck for external package:
231                 TERMUX_SKIP_DEPCHECK=true
232         else
233                 # Package name:
234                 if [ -n "${TERMUX_IS_DISABLED=""}" ]; then
235                         export TERMUX_PKG_BUILDER_DIR=$TERMUX_SCRIPTDIR/disabled-packages/$TERMUX_PKG_NAME
236                 else
237                         export TERMUX_PKG_BUILDER_DIR=$TERMUX_SCRIPTDIR/packages/$TERMUX_PKG_NAME
238                 fi
239         fi
240         TERMUX_PKG_BUILDER_SCRIPT=$TERMUX_PKG_BUILDER_DIR/build.sh
241         if test ! -f "$TERMUX_PKG_BUILDER_SCRIPT"; then
242                 termux_error_exit "No build.sh script at package dir $TERMUX_PKG_BUILDER_DIR!"
243         fi
244 }
245
246 # Setup variables used by the build. Not to be overridden by packages.
247 termux_step_setup_variables() {
248         : "${ANDROID_HOME:="${HOME}/lib/android-sdk"}"
249         : "${NDK:="${HOME}/lib/android-ndk"}"
250         : "${TERMUX_MAKE_PROCESSES:="$(nproc)"}"
251         : "${TERMUX_TOPDIR:="$HOME/.termux-build"}"
252         : "${TERMUX_ARCH:="aarch64"}" # arm, aarch64, i686 or x86_64.
253         : "${TERMUX_PREFIX:="/data/data/com.termux/files/usr"}"
254         : "${TERMUX_ANDROID_HOME:="/data/data/com.termux/files/home"}"
255         : "${TERMUX_DEBUG:=""}"
256         : "${TERMUX_PKG_API_LEVEL:="21"}"
257         : "${TERMUX_ANDROID_BUILD_TOOLS_VERSION:="25.0.3"}"
258         : "${TERMUX_NDK_VERSION:="15.1"}"
259
260         if [ "x86_64" = "$TERMUX_ARCH" ] || [ "aarch64" = "$TERMUX_ARCH" ]; then
261                 TERMUX_ARCH_BITS=64
262         else
263                 TERMUX_ARCH_BITS=32
264         fi
265
266         TERMUX_HOST_PLATFORM="${TERMUX_ARCH}-linux-android"
267         if [ "$TERMUX_ARCH" = "arm" ]; then TERMUX_HOST_PLATFORM="${TERMUX_HOST_PLATFORM}eabi"; fi
268
269         if [ ! -d "$NDK" ]; then
270                 termux_error_exit 'NDK not pointing at a directory!'
271         fi
272         if ! grep -s -q "Pkg.Revision = $TERMUX_NDK_VERSION" "$NDK/source.properties"; then
273                 termux_error_exit "Wrong NDK version - we need $TERMUX_NDK_VERSION"
274         fi
275
276         # The build tuple that may be given to --build configure flag:
277         TERMUX_BUILD_TUPLE=$(sh "$TERMUX_SCRIPTDIR/scripts/config.guess")
278
279         # We do not put all of build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/ into PATH
280         # to avoid stuff like arm-linux-androideabi-ld there to conflict with ones from
281         # the standalone toolchain.
282         TERMUX_DX=$ANDROID_HOME/build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/dx
283         TERMUX_JACK=$ANDROID_HOME/build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/jack.jar
284         TERMUX_JILL=$ANDROID_HOME/build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/jill.jar
285
286         TERMUX_COMMON_CACHEDIR="$TERMUX_TOPDIR/_cache"
287         TERMUX_DEBDIR="$TERMUX_SCRIPTDIR/debs"
288         TERMUX_ELF_CLEANER=$TERMUX_COMMON_CACHEDIR/termux-elf-cleaner
289
290         export prefix=${TERMUX_PREFIX}
291         export PREFIX=${TERMUX_PREFIX}
292
293         TERMUX_PKG_BUILDDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/build
294         TERMUX_PKG_CACHEDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/cache
295         TERMUX_PKG_MASSAGEDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/massage
296         TERMUX_PKG_PACKAGEDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/package
297         TERMUX_PKG_SRCDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/src
298         TERMUX_PKG_SHA256=""
299         TERMUX_PKG_TMPDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/tmp
300         TERMUX_PKG_HOSTBUILD_DIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/host-build
301         TERMUX_PKG_PLATFORM_INDEPENDENT=""
302         TERMUX_PKG_NO_DEVELSPLIT=""
303         TERMUX_PKG_REVISION="0" # http://www.debian.org/doc/debian-policy/ch-controlfields.html#s-f-Version
304         TERMUX_PKG_EXTRA_CONFIGURE_ARGS=""
305         TERMUX_PKG_EXTRA_HOSTBUILD_CONFIGURE_ARGS=""
306         TERMUX_PKG_EXTRA_MAKE_ARGS=""
307         TERMUX_PKG_BUILD_IN_SRC=""
308         TERMUX_PKG_RM_AFTER_INSTALL=""
309         TERMUX_PKG_DEPENDS=""
310         TERMUX_PKG_HOMEPAGE=""
311         TERMUX_PKG_DESCRIPTION="FIXME:Add description"
312         TERMUX_PKG_FOLDERNAME=""
313         TERMUX_PKG_KEEP_STATIC_LIBRARIES="false"
314         TERMUX_PKG_ESSENTIAL=""
315         TERMUX_PKG_CONFLICTS="" # https://www.debian.org/doc/debian-policy/ch-relationships.html#s-conflicts
316         TERMUX_PKG_REPLACES=""
317         TERMUX_PKG_CONFFILES=""
318         TERMUX_PKG_INCLUDE_IN_DEVPACKAGE=""
319         TERMUX_PKG_DEVPACKAGE_DEPENDS=""
320         # Set if a host build should be done in TERMUX_PKG_HOSTBUILD_DIR:
321         TERMUX_PKG_HOSTBUILD=""
322         TERMUX_PKG_MAINTAINER="Fredrik Fornwall @fornwall"
323         TERMUX_PKG_CLANG=yes # does nothing for cmake based packages. clang is chosen by cmake
324         TERMUX_PKG_FORCE_CMAKE=no # if the package has autotools as well as cmake, then set this to prefer cmake
325
326         unset CFLAGS CPPFLAGS LDFLAGS CXXFLAGS
327 }
328
329 # Save away and restore build setups which may change between builds.
330 termux_step_handle_buildarch() {
331         # If $TERMUX_PREFIX already exists, it may have been built for a different arch
332         local TERMUX_ARCH_FILE=/data/TERMUX_ARCH
333         if [ -f "${TERMUX_ARCH_FILE}" ]; then
334                 local TERMUX_PREVIOUS_ARCH
335                 TERMUX_PREVIOUS_ARCH=$(cat $TERMUX_ARCH_FILE)
336                 if [ "$TERMUX_PREVIOUS_ARCH" != "$TERMUX_ARCH" ]; then
337                         local TERMUX_DATA_BACKUPDIRS=$TERMUX_TOPDIR/_databackups
338                         mkdir -p "$TERMUX_DATA_BACKUPDIRS"
339                         local TERMUX_DATA_PREVIOUS_BACKUPDIR=$TERMUX_DATA_BACKUPDIRS/$TERMUX_PREVIOUS_ARCH
340                         local TERMUX_DATA_CURRENT_BACKUPDIR=$TERMUX_DATA_BACKUPDIRS/$TERMUX_ARCH
341                         # Save current /data (removing old backup if any)
342                         if test -e "$TERMUX_DATA_PREVIOUS_BACKUPDIR"; then
343                                 termux_error_exit "Directory already exists"
344                         fi
345                         if [ -d /data/data ]; then
346                                 mv /data/data "$TERMUX_DATA_PREVIOUS_BACKUPDIR"
347                         fi
348                         # Restore new one (if any)
349                         if [ -d "$TERMUX_DATA_CURRENT_BACKUPDIR" ]; then
350                                 mv "$TERMUX_DATA_CURRENT_BACKUPDIR" /data/data
351                         fi
352                 fi
353         fi
354
355         # Keep track of current arch we are building for.
356         echo "$TERMUX_ARCH" > $TERMUX_ARCH_FILE
357 }
358
359 # Source the package build script and start building. No to be overridden by packages.
360 termux_step_start_build() {
361         # shellcheck source=/dev/null
362         source "$TERMUX_PKG_BUILDER_SCRIPT"
363
364         TERMUX_STANDALONE_TOOLCHAIN="$TERMUX_TOPDIR/_lib/${TERMUX_NDK_VERSION}-${TERMUX_ARCH}-${TERMUX_PKG_API_LEVEL}"
365         # Bump the below version if a change is made in toolchain setup to ensure
366         # that everyone gets an updated toolchain:
367         TERMUX_STANDALONE_TOOLCHAIN+="-v11"
368
369         if [ -n "${TERMUX_PKG_BLACKLISTED_ARCHES:=""}" ] && [ "$TERMUX_PKG_BLACKLISTED_ARCHES" != "${TERMUX_PKG_BLACKLISTED_ARCHES/$TERMUX_ARCH/}" ]; then
370                 echo "Skipping building $TERMUX_PKG_NAME for arch $TERMUX_ARCH"
371                 exit 0
372         fi
373
374         if [ -z "${TERMUX_SKIP_DEPCHECK:=""}" ]; then
375                 local p TERMUX_ALL_DEPS
376                 TERMUX_ALL_DEPS=$(./scripts/buildorder.py "$TERMUX_PKG_NAME")
377                 for p in $TERMUX_ALL_DEPS; do
378                         if [ "$p" != "$TERMUX_PKG_NAME" ]; then
379                                 echo "Building dependency $p if necessary..."
380                                 ./build-package.sh -a $TERMUX_ARCH -s "$p"
381                         fi
382                 done
383         fi
384
385         TERMUX_PKG_FULLVERSION=$TERMUX_PKG_VERSION
386         if [ "$TERMUX_PKG_REVISION" != "0" ] || [ "$TERMUX_PKG_FULLVERSION" != "${TERMUX_PKG_FULLVERSION/-/}" ]; then
387                 # "0" is the default revision, so only include it if the upstream versions contains "-" itself
388                 TERMUX_PKG_FULLVERSION+="-$TERMUX_PKG_REVISION"
389         fi
390
391         if [ -z "$TERMUX_DEBUG" ] &&
392            [ -z "${TERMUX_FORCE_BUILD+x}" ] &&
393            [ -e "/data/data/.built-packages/$TERMUX_PKG_NAME" ]; then
394                 if [ "$(cat "/data/data/.built-packages/$TERMUX_PKG_NAME")" = "$TERMUX_PKG_FULLVERSION" ]; then
395                         echo "$TERMUX_PKG_NAME@$TERMUX_PKG_FULLVERSION built - skipping (rm /data/data/.built-packages/$TERMUX_PKG_NAME to force rebuild)"
396                         exit 0
397                 fi
398         fi
399
400         # Cleanup old state:
401         rm -Rf "$TERMUX_PKG_BUILDDIR" \
402                 "$TERMUX_PKG_PACKAGEDIR" \
403                 "$TERMUX_PKG_SRCDIR" \
404                 "$TERMUX_PKG_TMPDIR" \
405                 "$TERMUX_PKG_MASSAGEDIR"
406
407         # Ensure folders present (but not $TERMUX_PKG_SRCDIR, it will be created in build)
408         mkdir -p "$TERMUX_COMMON_CACHEDIR" \
409                 "$TERMUX_DEBDIR" \
410                  "$TERMUX_PKG_BUILDDIR" \
411                  "$TERMUX_PKG_PACKAGEDIR" \
412                  "$TERMUX_PKG_TMPDIR" \
413                  "$TERMUX_PKG_CACHEDIR" \
414                  "$TERMUX_PKG_MASSAGEDIR" \
415                  $TERMUX_PREFIX/{bin,etc,lib,libexec,share,tmp,include}
416
417         # Make $TERMUX_PREFIX/bin/sh executable on the builder, so that build
418         # scripts can assume that it works on both builder and host later on:
419         ln -f -s /bin/sh "$TERMUX_PREFIX/bin/sh"
420
421         local TERMUX_ELF_CLEANER_SRC=$TERMUX_COMMON_CACHEDIR/termux-elf-cleaner.cpp
422         local TERMUX_ELF_CLEANER_VERSION=$(bash -c ". $TERMUX_SCRIPTDIR/packages/termux-elf-cleaner/build.sh; echo \$TERMUX_PKG_VERSION")
423         termux_download \
424                 https://raw.githubusercontent.com/termux/termux-elf-cleaner/v$TERMUX_ELF_CLEANER_VERSION/termux-elf-cleaner.cpp \
425                 $TERMUX_ELF_CLEANER_SRC \
426                 11a38372f4d0e36b7556382c7ecffecae35cee8b68daaee2dbee025f758e17ee
427         if [ "$TERMUX_ELF_CLEANER_SRC" -nt "$TERMUX_ELF_CLEANER" ]; then
428                 g++ -std=c++11 -Wall -Wextra -pedantic -Os "$TERMUX_ELF_CLEANER_SRC" -o "$TERMUX_ELF_CLEANER"
429         fi
430
431         if [ -n "$TERMUX_PKG_BUILD_IN_SRC" ]; then
432                 echo "Building in src due to TERMUX_PKG_BUILD_IN_SRC being set" > "$TERMUX_PKG_BUILDDIR/BUILDING_IN_SRC.txt"
433                 TERMUX_PKG_BUILDDIR=$TERMUX_PKG_SRCDIR
434         fi
435
436         echo "termux - building $TERMUX_PKG_NAME for arch $TERMUX_ARCH..."
437         test -t 1 && printf "\033]0;%s...\007" "$TERMUX_PKG_NAME"
438
439         # Avoid exporting PKG_CONFIG_LIBDIR until after termux_step_host_build.
440         export TERMUX_PKG_CONFIG_LIBDIR=$TERMUX_PREFIX/lib/pkgconfig
441         # Add a pkg-config file for the system zlib.
442         mkdir -p "$TERMUX_PKG_CONFIG_LIBDIR"
443         cat > "$TERMUX_PKG_CONFIG_LIBDIR/zlib.pc" <<-HERE
444                 Name: zlib
445                 Description: zlib compression library
446                 Version: 1.2.8
447                 Requires:
448                 Libs: -lz
449         HERE
450
451         # Keep track of when build started so we can see what files have been created.
452         # We start by sleeping so that any generated files above (such as zlib.pc) get
453         # an older timestamp than the TERMUX_BUILD_TS_FILE.
454         sleep 1
455         TERMUX_BUILD_TS_FILE=$TERMUX_PKG_TMPDIR/timestamp_$TERMUX_PKG_NAME
456         touch "$TERMUX_BUILD_TS_FILE"
457 }
458
459 # Run just after sourcing $TERMUX_PKG_BUILDER_SCRIPT. May be overridden by packages.
460 termux_step_extract_package() {
461         if [ -z "${TERMUX_PKG_SRCURL:=""}" ]; then
462                 mkdir -p "$TERMUX_PKG_SRCDIR"
463                 return
464         fi
465         cd "$TERMUX_PKG_TMPDIR"
466         local filename
467         filename=$(basename "$TERMUX_PKG_SRCURL")
468         local file="$TERMUX_PKG_CACHEDIR/$filename"
469         termux_download "$TERMUX_PKG_SRCURL" "$file" "$TERMUX_PKG_SHA256"
470
471         if [ "x$TERMUX_PKG_FOLDERNAME" = "x" ]; then
472                 folder="${filename%%.t*}" && folder="${folder%%.zip}"
473                 folder="${folder/_/-}" # dpkg uses _ in tar filename, but - in folder
474         else
475                 folder=$TERMUX_PKG_FOLDERNAME
476         fi
477         rm -Rf $folder
478         if [ "${file##*.}" = zip ]; then
479                 unzip -q "$file"
480         else
481                 tar xf "$file"
482         fi
483         mv $folder "$TERMUX_PKG_SRCDIR"
484 }
485
486 # Hook for packages to act just after the package has been extracted.
487 # Invoked in $TERMUX_PKG_SRCDIR.
488 termux_step_post_extract_package() {
489         return
490 }
491
492 # Optional host build. Not to be overridden by packages.
493 termux_step_handle_hostbuild() {
494         if [ "x$TERMUX_PKG_HOSTBUILD" = "x" ]; then return; fi
495
496         cd "$TERMUX_PKG_SRCDIR"
497         for patch in $TERMUX_PKG_BUILDER_DIR/*.patch.beforehostbuild; do
498                 test -f "$patch" && sed "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" "$patch" | patch --silent -p1
499         done
500
501         local TERMUX_HOSTBUILD_MARKER="$TERMUX_PKG_HOSTBUILD_DIR/TERMUX_BUILT_FOR_$TERMUX_PKG_VERSION"
502         if [ ! -f "$TERMUX_HOSTBUILD_MARKER" ]; then
503                 rm -Rf "$TERMUX_PKG_HOSTBUILD_DIR"
504                 mkdir -p "$TERMUX_PKG_HOSTBUILD_DIR"
505                 cd "$TERMUX_PKG_HOSTBUILD_DIR"
506                 termux_step_host_build
507                 touch "$TERMUX_HOSTBUILD_MARKER"
508         fi
509 }
510
511 # Perform a host build. Will be called in $TERMUX_PKG_HOSTBUILD_DIR.
512 # After termux_step_post_extract_package() and before termux_step_patch_package()
513 termux_step_host_build() {
514         "$TERMUX_PKG_SRCDIR/configure" ${TERMUX_PKG_EXTRA_HOSTBUILD_CONFIGURE_ARGS}
515         make -j $TERMUX_MAKE_PROCESSES
516 }
517
518 # Setup a standalone Android NDK toolchain. Not to be overridden by packages.
519 termux_step_setup_toolchain() {
520         # We put this after system PATH to avoid picking up toolchain stripped python
521         export PATH=$PATH:$TERMUX_STANDALONE_TOOLCHAIN/bin
522
523         export CFLAGS=""
524         export LDFLAGS="-L${TERMUX_PREFIX}/lib"
525
526         if [ "$TERMUX_PKG_CLANG" = "no" ]; then
527                 export AS=${TERMUX_HOST_PLATFORM}-gcc
528                 export CC=$TERMUX_HOST_PLATFORM-gcc
529                 export CXX=$TERMUX_HOST_PLATFORM-g++
530                 LDFLAGS+=" -specs=$TERMUX_SCRIPTDIR/termux.spec"
531                 CFLAGS+=" -specs=$TERMUX_SCRIPTDIR/termux.spec"
532         else
533                 export AS=${TERMUX_HOST_PLATFORM}-clang
534                 export CC=$TERMUX_HOST_PLATFORM-clang
535                 export CXX=$TERMUX_HOST_PLATFORM-clang++
536         fi
537
538         export AR=$TERMUX_HOST_PLATFORM-ar
539         export CPP=${TERMUX_HOST_PLATFORM}-cpp
540         export CC_FOR_BUILD=gcc
541         export LD=$TERMUX_HOST_PLATFORM-ld
542         export OBJDUMP=$TERMUX_HOST_PLATFORM-objdump
543         # Setup pkg-config for cross-compiling:
544         export PKG_CONFIG=$TERMUX_STANDALONE_TOOLCHAIN/bin/${TERMUX_HOST_PLATFORM}-pkg-config
545         export RANLIB=$TERMUX_HOST_PLATFORM-ranlib
546         export READELF=$TERMUX_HOST_PLATFORM-readelf
547         export STRIP=$TERMUX_HOST_PLATFORM-strip
548
549         # Android 7 started to support DT_RUNPATH (but not DT_RPATH), so we may want
550         # LDFLAGS+="-Wl,-rpath=$TERMUX_PREFIX/lib -Wl,--enable-new-dtags"
551         # and no longer remove DT_RUNPATH in termux-elf-cleaner.
552
553         if [ "$TERMUX_ARCH" = "arm" ]; then
554                 # https://developer.android.com/ndk/guides/standalone_toolchain.html#abi_compatibility:
555                 # "We recommend using the -mthumb compiler flag to force the generation of 16-bit Thumb-2 instructions".
556                 # With r13 of the ndk ruby 2.4.0 segfaults when built on arm with clang without -mthumb.
557                 CFLAGS+=" -march=armv7-a -mfpu=neon -mfloat-abi=softfp -mthumb"
558                 LDFLAGS+=" -march=armv7-a"
559         elif [ "$TERMUX_ARCH" = "i686" ]; then
560                 # From $NDK/docs/CPU-ARCH-ABIS.html:
561                 CFLAGS+=" -march=i686 -msse3 -mstackrealign -mfpmath=sse"
562         elif [ "$TERMUX_ARCH" = "aarch64" ]; then
563                 :
564         elif [ "$TERMUX_ARCH" = "x86_64" ]; then
565                 :
566         else
567                 termux_error_exit "Invalid arch '$TERMUX_ARCH' - support arches are 'arm', 'i686', 'aarch64', 'x86_64'"
568         fi
569
570         if [ -n "$TERMUX_DEBUG" ]; then
571                 CFLAGS+=" -g3 -O1 -fstack-protector --param ssp-buffer-size=4 -D_FORTIFY_SOURCE=2"
572         else
573                 CFLAGS+=" -Os"
574         fi
575
576         export CXXFLAGS="$CFLAGS"
577         export CPPFLAGS="-I${TERMUX_PREFIX}/include"
578
579         if [ "$TERMUX_PKG_DEPENDS" != "${TERMUX_PKG_DEPENDS/libandroid-support/}" ]; then
580                 # If using the android support library, link to it and include its headers as system headers:
581                 CPPFLAGS+=" -isystem $TERMUX_PREFIX/include/libandroid-support"
582                 LDFLAGS+=" -landroid-support"
583         fi
584
585         export ac_cv_func_getpwent=no
586         export ac_cv_func_getpwnam=no
587         export ac_cv_func_getpwuid=no
588         export ac_cv_func_sigsetmask=no
589
590         if [ ! -d $TERMUX_STANDALONE_TOOLCHAIN ]; then
591                 # Do not put toolchain in place until we are done with setup, to avoid having a half setup
592                 # toolchain left in place if something goes wrong (or process is just aborted):
593                 local _TERMUX_TOOLCHAIN_TMPDIR=${TERMUX_STANDALONE_TOOLCHAIN}-tmp
594                 rm -Rf $_TERMUX_TOOLCHAIN_TMPDIR
595
596                 local _NDK_ARCHNAME=$TERMUX_ARCH
597                 if [ "$TERMUX_ARCH" = "aarch64" ]; then
598                         _NDK_ARCHNAME=arm64
599                 elif [ "$TERMUX_ARCH" = "i686" ]; then
600                         _NDK_ARCHNAME=x86
601                 fi
602
603                 "$NDK/build/tools/make_standalone_toolchain.py" \
604                         --api "$TERMUX_PKG_API_LEVEL" \
605                         --arch $_NDK_ARCHNAME \
606                         --stl=libc++ \
607                         --install-dir $_TERMUX_TOOLCHAIN_TMPDIR
608
609                 # Remove android-support header wrapping not needed on android-21:
610                 rm -Rf $_TERMUX_TOOLCHAIN_TMPDIR/sysroot/usr/local
611
612                 local wrapped plusplus CLANG_TARGET=$TERMUX_HOST_PLATFORM
613                 if [ $TERMUX_ARCH = arm ]; then CLANG_TARGET=${CLANG_TARGET/arm-/armv7a-}; fi
614                 for wrapped in ${TERMUX_HOST_PLATFORM}-clang clang; do
615                         for plusplus in "" "++"; do
616                                 local FILE_TO_REPLACE=$_TERMUX_TOOLCHAIN_TMPDIR/bin/${wrapped}${plusplus}
617                                 if [ ! -f $FILE_TO_REPLACE ]; then
618                                         termux_error_exit "No toolchain file to override: $FILE_TO_REPLACE"
619                                 fi
620                                 cp "$TERMUX_SCRIPTDIR/scripts/clang-pie-wrapper" $FILE_TO_REPLACE
621                                 sed -i "s/COMPILER/clang50$plusplus/" $FILE_TO_REPLACE
622                                 sed -i "s/CLANG_TARGET/$CLANG_TARGET/" $FILE_TO_REPLACE
623                         done
624                 done
625
626                 if [ "$TERMUX_ARCH" = "aarch64" ]; then
627                         # Use gold by default to work around https://github.com/android-ndk/ndk/issues/148
628                         cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/aarch64-linux-android-ld.gold \
629                            $_TERMUX_TOOLCHAIN_TMPDIR/bin/aarch64-linux-android-ld
630                         cp $_TERMUX_TOOLCHAIN_TMPDIR/aarch64-linux-android/bin/ld.gold \
631                            $_TERMUX_TOOLCHAIN_TMPDIR/aarch64-linux-android/bin/ld
632                 fi
633
634                 if [ "$TERMUX_ARCH" = "arm" ]; then
635                         # Linker wrapper script to add '--exclude-libs libgcc.a', see
636                         # https://github.com/android-ndk/ndk/issues/379
637                         # https://android-review.googlesource.com/#/c/389852/
638                         local linker
639                         for linker in ld ld.bfd ld.gold; do
640                                 local wrap_linker=$_TERMUX_TOOLCHAIN_TMPDIR/$TERMUX_HOST_PLATFORM/bin/$linker
641                                 local real_linker=$_TERMUX_TOOLCHAIN_TMPDIR/$TERMUX_HOST_PLATFORM/bin/$linker.real
642                                 cp $wrap_linker $real_linker
643                                 echo '#!/bin/bash' > $wrap_linker
644                                 echo -n '`dirname $0`/' >> $wrap_linker
645                                 echo -n $linker.real >> $wrap_linker
646                                 echo ' --exclude-libs libgcc.a "$@"' >> $wrap_linker
647                         done
648                 fi
649
650                 cd $_TERMUX_TOOLCHAIN_TMPDIR/sysroot
651
652                 for f in $TERMUX_SCRIPTDIR/ndk-patches/*.patch; do
653                         sed "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" "$f" | \
654                                 sed "s%\@TERMUX_HOME\@%${TERMUX_ANDROID_HOME}%g" | \
655                                 patch --silent -p1;
656                 done
657                 # elf.h: Taken from glibc since the elf.h in the NDK is lacking.
658                 # sysexits.h: Header-only and used by a few programs.
659                 # ifaddrs.h: Added in android-24 unified headers, use a inline implementation for now.
660                 cp "$TERMUX_SCRIPTDIR"/ndk-patches/{elf.h,sysexits.h,ifaddrs.h} usr/include
661
662                 # Remove <sys/shm.h> from the NDK in favour of that from the libandroid-shmem.
663                 # Also remove <sys/sem.h> as it doesn't work for non-root.
664                 rm usr/include/sys/{shm.h,sem.h}
665
666                 sed -i "s/define __ANDROID_API__ __ANDROID_API_FUTURE__/define __ANDROID_API__ $TERMUX_PKG_API_LEVEL/" \
667                         usr/include/android/api-level.h
668
669                 local _LIBDIR=usr/lib
670                 if [ $TERMUX_ARCH = x86_64 ]; then _LIBDIR+=64; fi
671                 $TERMUX_ELF_CLEANER $_LIBDIR/*.so
672
673                 # zlib is really version 1.2.8 in the Android platform (at least
674                 # starting from Android 5), not older as the NDK headers claim.
675                 for file in zconf.h zlib.h; do
676                         curl -o usr/include/$file \
677                                 https://raw.githubusercontent.com/madler/zlib/v1.2.8/$file
678                 done
679                 unset file
680                 cd $_TERMUX_TOOLCHAIN_TMPDIR/include/c++/4.9.x
681                 sed "s%\@TERMUX_HOST_PLATFORM\@%${TERMUX_HOST_PLATFORM}%g" $TERMUX_SCRIPTDIR/ndk-patches/*.cpppatch | patch -p1
682                 mv $_TERMUX_TOOLCHAIN_TMPDIR $TERMUX_STANDALONE_TOOLCHAIN
683         fi
684
685         local _STL_LIBFILE_NAME=libc++_shared.so
686         if [ ! -f $TERMUX_PREFIX/lib/libstdc++.so ]; then
687                 # Setup libgnustl_shared.so in $PREFIX/lib and libstdc++.so as a link to it,
688                 # so that other C++ using packages links to it instead of the default android
689                 # C++ library which does not support exceptions or STL:
690                 # https://developer.android.com/ndk/guides/cpp-support.html
691                 # We do however want to avoid installing this, to avoid problems where e.g.
692                 # libm.so on some i686 devices links against libstdc++.so.
693                 # The libgnustl_shared.so library will be packaged in the libgnustl package
694                 # which is part of the base Termux installation.
695                 mkdir -p "$TERMUX_PREFIX/lib"
696                 cd "$TERMUX_PREFIX/lib"
697
698                 local _STL_LIBFILE=
699                 if [ "$TERMUX_ARCH" = arm ]; then
700                         local _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib/armv7-a/$_STL_LIBFILE_NAME
701                 elif [ "$TERMUX_ARCH" = x86_64 ]; then
702                         local _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib64/$_STL_LIBFILE_NAME
703                 else
704                         local _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib/$_STL_LIBFILE_NAME
705                 fi
706
707                 cp "$_STL_LIBFILE" .
708                 $STRIP --strip-unneeded $_STL_LIBFILE_NAME
709                 $TERMUX_ELF_CLEANER $_STL_LIBFILE_NAME
710                 if [ $TERMUX_ARCH = "arm" ]; then
711                         # Use a linker script to get libunwind.a.
712                         echo 'INPUT(-lunwind -lc++_shared)' > libstdc++.so
713                 else
714                         ln -f $_STL_LIBFILE_NAME libstdc++.so
715                 fi
716         fi
717
718         export PKG_CONFIG_LIBDIR="$TERMUX_PKG_CONFIG_LIBDIR"
719         # Create a pkg-config wrapper. We use path to host pkg-config to
720         # avoid picking up a cross-compiled pkg-config later on.
721         local _HOST_PKGCONFIG
722         _HOST_PKGCONFIG=$(which pkg-config)
723         mkdir -p $TERMUX_STANDALONE_TOOLCHAIN/bin "$PKG_CONFIG_LIBDIR"
724         cat > "$PKG_CONFIG" <<-HERE
725                 #!/bin/sh
726                 export PKG_CONFIG_DIR=
727                 export PKG_CONFIG_LIBDIR=$PKG_CONFIG_LIBDIR
728                 exec $_HOST_PKGCONFIG "\$@"
729         HERE
730         chmod +x "$PKG_CONFIG"
731 }
732
733 # Apply all *.patch files for the package. Not to be overridden by packages.
734 termux_step_patch_package() {
735         cd "$TERMUX_PKG_SRCDIR"
736         # Suffix patch with ".patch32" or ".patch64" to only apply for these bitnesses:
737         shopt -s nullglob
738         for patch in $TERMUX_PKG_BUILDER_DIR/*.patch{$TERMUX_ARCH_BITS,}; do
739                 test -f "$patch" && sed "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" "$patch" | \
740                         sed "s%\@TERMUX_HOME\@%${TERMUX_ANDROID_HOME}%g" | \
741                         patch --silent -p1
742         done
743         shopt -u nullglob
744 }
745
746 # Replace autotools build-aux/config.{sub,guess} with ours to add android targets.
747 termux_step_replace_guess_scripts () {
748         cd "$TERMUX_PKG_SRCDIR"
749         find . -name config.sub -exec chmod u+w '{}' \; -exec cp "$TERMUX_SCRIPTDIR/scripts/config.sub" '{}' \;
750         find . -name config.guess -exec chmod u+w '{}' \; -exec cp "$TERMUX_SCRIPTDIR/scripts/config.guess" '{}' \;
751 }
752
753 # For package scripts to override. Called in $TERMUX_PKG_BUILDDIR.
754 termux_step_pre_configure() {
755         return
756 }
757
758 termux_step_configure_autotools () {
759         if [ ! -e "$TERMUX_PKG_SRCDIR/configure" ]; then return; fi
760
761         DISABLE_STATIC="--disable-static"
762         if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--enable-static/}" ]; then
763                 # Do not --disable-static if package explicitly enables it (e.g. gdb needs enable-static to build)
764                 DISABLE_STATIC=""
765         fi
766
767         DISABLE_NLS="--disable-nls"
768         if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--enable-nls/}" ]; then
769                 # Do not --disable-nls if package explicitly enables it (for gettext itself)
770                 DISABLE_NLS=""
771         fi
772
773         ENABLE_SHARED="--enable-shared"
774         if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--disable-shared/}" ]; then
775                 ENABLE_SHARED=""
776         fi
777         HOST_FLAG="--host=$TERMUX_HOST_PLATFORM"
778         if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--host=/}" ]; then
779                 HOST_FLAG=""
780         fi
781         LIBEXEC_FLAG="--libexecdir=$TERMUX_PREFIX/libexec"
782         if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--libexecdir=/}" ]; then
783                 LIBEXEC_FLAG=""
784         fi
785
786         # Some packages provides a $PKG-config script which some configure scripts pickup instead of pkg-config:
787         mkdir "$TERMUX_PKG_TMPDIR/config-scripts"
788         for f in $TERMUX_PREFIX/bin/*config; do
789                 test -f "$f" && cp "$f" "$TERMUX_PKG_TMPDIR/config-scripts"
790         done
791         export PATH=$TERMUX_PKG_TMPDIR/config-scripts:$PATH
792
793         # Avoid gnulib wrapping of functions when cross compiling. See
794         # http://wiki.osdev.org/Cross-Porting_Software#Gnulib
795         # https://gitlab.com/sortix/sortix/wikis/Gnulib
796         # https://github.com/termux/termux-packages/issues/76
797         local AVOID_GNULIB=""
798         AVOID_GNULIB+=" ac_cv_func_calloc_0_nonnull=yes"
799         AVOID_GNULIB+=" ac_cv_func_chown_works=yes"
800         AVOID_GNULIB+=" ac_cv_func_getgroups_works=yes"
801         AVOID_GNULIB+=" ac_cv_func_malloc_0_nonnull=yes"
802         AVOID_GNULIB+=" ac_cv_func_realloc_0_nonnull=yes"
803         AVOID_GNULIB+=" am_cv_func_working_getline=yes"
804         AVOID_GNULIB+=" gl_cv_func_dup2_works=yes"
805         AVOID_GNULIB+=" gl_cv_func_fcntl_f_dupfd_cloexec=yes"
806         AVOID_GNULIB+=" gl_cv_func_fcntl_f_dupfd_works=yes"
807         AVOID_GNULIB+=" gl_cv_func_fnmatch_posix=yes"
808         AVOID_GNULIB+=" gl_cv_func_getcwd_abort_bug=no"
809         AVOID_GNULIB+=" gl_cv_func_getcwd_null=yes"
810         AVOID_GNULIB+=" gl_cv_func_getcwd_path_max=yes"
811         AVOID_GNULIB+=" gl_cv_func_getcwd_posix_signature=yes"
812         AVOID_GNULIB+=" gl_cv_func_gettimeofday_clobber=no"
813         AVOID_GNULIB+=" gl_cv_func_gettimeofday_posix_signature=yes"
814         AVOID_GNULIB+=" gl_cv_func_link_works=yes"
815         AVOID_GNULIB+=" gl_cv_func_lstat_dereferences_slashed_symlink=yes"
816         AVOID_GNULIB+=" gl_cv_func_malloc_0_nonnull=yes"
817         AVOID_GNULIB+=" gl_cv_func_memchr_works=yes"
818         AVOID_GNULIB+=" gl_cv_func_mkdir_trailing_dot_works=yes"
819         AVOID_GNULIB+=" gl_cv_func_mkdir_trailing_slash_works=yes"
820         AVOID_GNULIB+=" gl_cv_func_mkfifo_works=yes"
821         AVOID_GNULIB+=" gl_cv_func_realpath_works=yes"
822         AVOID_GNULIB+=" gl_cv_func_select_detects_ebadf=yes"
823         AVOID_GNULIB+=" gl_cv_func_snprintf_posix=yes"
824         AVOID_GNULIB+=" gl_cv_func_snprintf_retval_c99=yes"
825         AVOID_GNULIB+=" gl_cv_func_snprintf_truncation_c99=yes"
826         AVOID_GNULIB+=" gl_cv_func_stat_dir_slash=yes"
827         AVOID_GNULIB+=" gl_cv_func_stat_file_slash=yes"
828         AVOID_GNULIB+=" gl_cv_func_strerror_0_works=yes"
829         AVOID_GNULIB+=" gl_cv_func_symlink_works=yes"
830         AVOID_GNULIB+=" gl_cv_func_tzset_clobber=no"
831         AVOID_GNULIB+=" gl_cv_func_unlink_honors_slashes=yes"
832         AVOID_GNULIB+=" gl_cv_func_unlink_honors_slashes=yes"
833         AVOID_GNULIB+=" gl_cv_func_vsnprintf_posix=yes"
834         AVOID_GNULIB+=" gl_cv_func_vsnprintf_zerosize_c99=yes"
835         AVOID_GNULIB+=" gl_cv_func_wcwidth_works=yes"
836         AVOID_GNULIB+=" gl_cv_func_working_getdelim=yes"
837         AVOID_GNULIB+=" gl_cv_func_working_mkstemp=yes"
838         AVOID_GNULIB+=" gl_cv_func_working_mktime=yes"
839         AVOID_GNULIB+=" gl_cv_func_working_strerror=yes"
840         AVOID_GNULIB+=" gl_cv_header_working_fcntl_h=yes"
841         AVOID_GNULIB+=" gl_cv_C_locale_sans_EILSEQ=yes"
842
843         # NOTE: We do not want to quote AVOID_GNULIB as we want word expansion.
844         env $AVOID_GNULIB "$TERMUX_PKG_SRCDIR/configure" \
845                 --disable-dependency-tracking \
846                 --prefix=$TERMUX_PREFIX \
847                 --disable-rpath --disable-rpath-hack \
848                 $HOST_FLAG \
849                 $TERMUX_PKG_EXTRA_CONFIGURE_ARGS \
850                 $DISABLE_NLS \
851                 $ENABLE_SHARED \
852                 $DISABLE_STATIC \
853                 $LIBEXEC_FLAG
854 }
855
856 termux_step_configure_cmake () {
857         termux_setup_cmake
858
859         local TOOLCHAIN_ARGS="-DCMAKE_ANDROID_STANDALONE_TOOLCHAIN=$TERMUX_STANDALONE_TOOLCHAIN"
860         local BUILD_TYPE=MinSizeRel
861         test -n "$TERMUX_DEBUG" && BUILD_TYPE=Debug
862
863         local CMAKE_PROC=$TERMUX_ARCH
864         test $CMAKE_PROC == "arm" && CMAKE_PROC='armv7-a'
865
866         # XXX: CMAKE_{AR,RANLIB} needed for at least jsoncpp build to not
867         # pick up cross compiled binutils tool in $PREFIX/bin:
868         cmake -G 'Unix Makefiles' "$TERMUX_PKG_SRCDIR" \
869                 -DCMAKE_AR="$(which $AR)" \
870                 -DCMAKE_UNAME="$(which uname)" \
871                 -DCMAKE_RANLIB="$(which $RANLIB)" \
872                 -DCMAKE_BUILD_TYPE=$BUILD_TYPE \
873                 -DCMAKE_CROSSCOMPILING=True \
874                 -DCMAKE_C_FLAGS="$CFLAGS $CPPFLAGS" \
875                 -DCMAKE_CXX_FLAGS="$CXXFLAGS $CPPFLAGS" \
876                 -DCMAKE_LINKER="$TERMUX_STANDALONE_TOOLCHAIN/bin/$LD $LDFLAGS" \
877                 -DCMAKE_FIND_ROOT_PATH=$TERMUX_PREFIX \
878                 -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY \
879                 -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=ONLY \
880                 -DCMAKE_INSTALL_PREFIX=$TERMUX_PREFIX \
881                 -DCMAKE_MAKE_PROGRAM=`which make` \
882                 -DCMAKE_SYSTEM_PROCESSOR=$CMAKE_PROC \
883                 -DCMAKE_SYSTEM_NAME=Android \
884                 -DCMAKE_SYSTEM_VERSION=21 \
885                 -DCMAKE_SKIP_INSTALL_RPATH=ON \
886                 -DCMAKE_USE_SYSTEM_LIBRARIES=True \
887                 -DBUILD_TESTING=OFF \
888                 $TERMUX_PKG_EXTRA_CONFIGURE_ARGS $TOOLCHAIN_ARGS
889 }
890
891 termux_step_configure_meson () {
892         termux_setup_meson
893         CC=gcc CXX=g++ $TERMUX_MESON \
894                 $TERMUX_PKG_SRCDIR \
895                 $TERMUX_PKG_BUILDDIR \
896                 --cross-file $TERMUX_MESON_CROSSFILE \
897                 --prefix $TERMUX_PREFIX \
898                 --libdir lib \
899                 --buildtype minsize \
900                 --strip \
901                 $TERMUX_PKG_EXTRA_CONFIGURE_ARGS
902 }
903
904 termux_step_configure () {
905         if [ "$TERMUX_PKG_FORCE_CMAKE" == 'no' ] && [ -f "$TERMUX_PKG_SRCDIR/configure" ]; then
906                 termux_step_configure_autotools
907         elif [ -f "$TERMUX_PKG_SRCDIR/CMakeLists.txt" ]; then
908                 termux_step_configure_cmake
909         elif [ -f "$TERMUX_PKG_SRCDIR/meson.build" ]; then
910                 termux_step_configure_meson
911         fi
912 }
913
914 termux_step_post_configure () {
915         return
916 }
917
918 termux_step_make() {
919         if ls ./*akefile &> /dev/null; then
920                 if [ -z "$TERMUX_PKG_EXTRA_MAKE_ARGS" ]; then
921                         make -j $TERMUX_MAKE_PROCESSES
922                 else
923                         make -j $TERMUX_MAKE_PROCESSES ${TERMUX_PKG_EXTRA_MAKE_ARGS}
924                 fi
925         fi
926 }
927
928 termux_step_make_install() {
929         if ls ./*akefile &> /dev/null; then
930                 : "${TERMUX_PKG_MAKE_INSTALL_TARGET:="install"}"
931                 # Some packages have problem with parallell install, and it does not buy much, so use -j 1.
932                 if [ -z "$TERMUX_PKG_EXTRA_MAKE_ARGS" ]; then
933                         make -j 1 ${TERMUX_PKG_MAKE_INSTALL_TARGET}
934                 else
935                         make -j 1 ${TERMUX_PKG_EXTRA_MAKE_ARGS} ${TERMUX_PKG_MAKE_INSTALL_TARGET}
936                 fi
937         elif test -f build.ninja; then
938                 ninja install
939         fi
940 }
941
942 # Hook function for package scripts to override.
943 termux_step_post_make_install() {
944         return
945 }
946
947 termux_step_extract_into_massagedir() {
948         local TARBALL_ORIG=$TERMUX_PKG_PACKAGEDIR/${TERMUX_PKG_NAME}_orig.tar.gz
949
950         # Build diff tar with what has changed during the build:
951         cd $TERMUX_PREFIX
952         tar -N "$TERMUX_BUILD_TS_FILE" \
953                 --exclude='lib/libc++_shared.so' --exclude='lib/libstdc++.so' \
954                 -czf "$TARBALL_ORIG" .
955
956         # Extract tar in order to massage it
957         mkdir -p "$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX"
958         cd "$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX"
959         tar xf "$TARBALL_ORIG"
960         rm "$TARBALL_ORIG"
961 }
962
963 termux_step_massage() {
964         cd "$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX"
965
966         # Remove lib/charset.alias which is installed by gettext-using packages:
967         rm -f lib/charset.alias
968
969         # Remove non-english man pages:
970         test -d share/man && (cd share/man; for f in `ls | grep -v man`; do rm -Rf $f; done )
971
972         if [ -z "${TERMUX_PKG_KEEP_INFOPAGES+x}" ]; then
973                 # Remove info pages:
974                 rm -Rf share/info
975         fi
976
977         # Remove locale files we're not interested in::
978         rm -Rf share/locale
979         if [ -z "${TERMUX_PKG_KEEP_SHARE_DOC+x}" ]; then
980                 # Remove info pages:
981                 rm -Rf share/doc
982         fi
983
984         # Remove old kept libraries (readline):
985         find . -name '*.old' -delete
986
987         # Remove static libraries:
988         if [ $TERMUX_PKG_KEEP_STATIC_LIBRARIES = "false" ]; then
989                 find . -name '*.a' -delete
990                 find . -name '*.la' -delete
991         fi
992
993         # Move over sbin to bin:
994         for file in sbin/*; do if test -f "$file"; then mv "$file" bin/; fi; done
995
996         # Remove world permissions and add write permissions.
997         # The -f flag is used to suppress warnings about dangling symlinks (such
998         # as ones to /system/... which may not exist on the build machine):
999         find . -exec chmod -f u+w,g-rwx,o-rwx \{\} \;
1000
1001         if [ "$TERMUX_DEBUG" = "" ]; then
1002                 # Strip binaries. file(1) may fail for certain unusual files, so disable pipefail.
1003                 set +e +o pipefail
1004                 find . -type f | xargs -r file | grep -E "(executable|shared object)" | grep ELF | cut -f 1 -d : | \
1005                         xargs -r "$STRIP" --strip-unneeded --preserve-dates
1006                 set -e -o pipefail
1007         fi
1008         # Remove DT_ entries which the android 5.1 linker warns about:
1009         find . -type f -print0 | xargs -r -0 "$TERMUX_ELF_CLEANER"
1010
1011         # Fix shebang paths:
1012         while IFS= read -r -d '' file
1013         do
1014                 head -c 100 "$file" | grep -E "^#\!.*\\/bin\\/.*" | grep -q -E -v "^#\! ?\\/system" && sed --follow-symlinks -i -E "1 s@^#\!(.*)/bin/(.*)@#\!$TERMUX_PREFIX/bin/\2@" "$file"
1015         done < <(find -L . -type f -print0)
1016
1017         test ! -z "$TERMUX_PKG_RM_AFTER_INSTALL" && rm -Rf $TERMUX_PKG_RM_AFTER_INSTALL
1018
1019         find . -type d -empty -delete # Remove empty directories
1020
1021         # Sub packages:
1022         if [ -d include ] && [ -z "${TERMUX_PKG_NO_DEVELSPLIT}" ]; then
1023                 # Add virtual -dev sub package if there are include files:
1024                 local _DEVEL_SUBPACKAGE_FILE=$TERMUX_PKG_TMPDIR/${TERMUX_PKG_NAME}-dev.subpackage.sh
1025                 echo TERMUX_SUBPKG_INCLUDE=\"include share/vala share/man/man3 lib/pkgconfig share/aclocal lib/cmake $TERMUX_PKG_INCLUDE_IN_DEVPACKAGE\" > "$_DEVEL_SUBPACKAGE_FILE"
1026                 echo "TERMUX_SUBPKG_DESCRIPTION=\"Development files for ${TERMUX_PKG_NAME}\"" >> "$_DEVEL_SUBPACKAGE_FILE"
1027                 if [ -n "$TERMUX_PKG_DEVPACKAGE_DEPENDS" ]; then
1028                         echo "TERMUX_SUBPKG_DEPENDS=\"$TERMUX_PKG_NAME,$TERMUX_PKG_DEVPACKAGE_DEPENDS\"" >> "$_DEVEL_SUBPACKAGE_FILE"
1029                 else
1030                         echo "TERMUX_SUBPKG_DEPENDS=\"$TERMUX_PKG_NAME\"" >> "$_DEVEL_SUBPACKAGE_FILE"
1031                 fi
1032         fi
1033         # Now build all sub packages
1034         rm -Rf "$TERMUX_TOPDIR/$TERMUX_PKG_NAME/subpackages"
1035         for subpackage in $TERMUX_PKG_BUILDER_DIR/*.subpackage.sh $TERMUX_PKG_TMPDIR/*subpackage.sh; do
1036                 test ! -f "$subpackage" && continue
1037                 local SUB_PKG_NAME
1038                 SUB_PKG_NAME=$(basename "$subpackage" .subpackage.sh)
1039                 # Default value is same as main package, but sub package may override:
1040                 local TERMUX_SUBPKG_PLATFORM_INDEPENDENT=$TERMUX_PKG_PLATFORM_INDEPENDENT
1041                 local SUB_PKG_DIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/subpackages/$SUB_PKG_NAME
1042                 local TERMUX_SUBPKG_DEPENDS=""
1043                 local TERMUX_SUBPKG_CONFLICTS=""
1044                 local TERMUX_SUBPKG_CONFFILES=""
1045                 local SUB_PKG_MASSAGE_DIR=$SUB_PKG_DIR/massage/$TERMUX_PREFIX
1046                 local SUB_PKG_PACKAGE_DIR=$SUB_PKG_DIR/package
1047                 mkdir -p "$SUB_PKG_MASSAGE_DIR" "$SUB_PKG_PACKAGE_DIR"
1048
1049                 # shellcheck source=/dev/null
1050                 source $subpackage
1051
1052                 for includeset in $TERMUX_SUBPKG_INCLUDE; do
1053                         local _INCLUDE_DIRSET
1054                         _INCLUDE_DIRSET=$(dirname "$includeset")
1055                         test "$_INCLUDE_DIRSET" = "." && _INCLUDE_DIRSET=""
1056                         if [ -e "$includeset" ] || [ -L "$includeset" ]; then
1057                                 # Add the -L clause to handle relative symbolic links:
1058                                 mkdir -p "$SUB_PKG_MASSAGE_DIR/$_INCLUDE_DIRSET"
1059                                 mv "$includeset" "$SUB_PKG_MASSAGE_DIR/$_INCLUDE_DIRSET"
1060                         fi
1061                 done
1062
1063                 local SUB_PKG_ARCH=$TERMUX_ARCH
1064                 test -n "$TERMUX_SUBPKG_PLATFORM_INDEPENDENT" && SUB_PKG_ARCH=all
1065
1066                 cd "$SUB_PKG_DIR/massage"
1067                 local SUB_PKG_INSTALLSIZE
1068                 SUB_PKG_INSTALLSIZE=$(du -sk . | cut -f 1)
1069                 tar -cJf "$SUB_PKG_PACKAGE_DIR/data.tar.xz" .
1070
1071                 mkdir -p DEBIAN
1072                 cd DEBIAN
1073                 cat > control <<-HERE
1074                         Package: $SUB_PKG_NAME
1075                         Architecture: ${SUB_PKG_ARCH}
1076                         Installed-Size: ${SUB_PKG_INSTALLSIZE}
1077                         Maintainer: $TERMUX_PKG_MAINTAINER
1078                         Version: $TERMUX_PKG_FULLVERSION
1079                         Description: $TERMUX_SUBPKG_DESCRIPTION
1080                         Homepage: $TERMUX_PKG_HOMEPAGE
1081                 HERE
1082                 test ! -z "$TERMUX_SUBPKG_DEPENDS" && echo "Depends: $TERMUX_SUBPKG_DEPENDS" >> control
1083                 test ! -z "$TERMUX_SUBPKG_CONFLICTS" && echo "Conflicts: $TERMUX_SUBPKG_CONFLICTS" >> control
1084                 tar -cJf "$SUB_PKG_PACKAGE_DIR/control.tar.xz" .
1085
1086                 for f in $TERMUX_SUBPKG_CONFFILES; do echo "$TERMUX_PREFIX/$f" >> conffiles; done
1087
1088                 # Create the actual .deb file:
1089                 TERMUX_SUBPKG_DEBFILE=$TERMUX_DEBDIR/${SUB_PKG_NAME}_${TERMUX_PKG_FULLVERSION}_${SUB_PKG_ARCH}.deb
1090                 test ! -f "$TERMUX_COMMON_CACHEDIR/debian-binary" && echo "2.0" > "$TERMUX_COMMON_CACHEDIR/debian-binary"
1091                 ar cr "$TERMUX_SUBPKG_DEBFILE" \
1092                                    "$TERMUX_COMMON_CACHEDIR/debian-binary" \
1093                                    "$SUB_PKG_PACKAGE_DIR/control.tar.xz" \
1094                                    "$SUB_PKG_PACKAGE_DIR/data.tar.xz"
1095
1096                 # Go back to main package:
1097                 cd "$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX"
1098         done
1099
1100         # .. remove empty directories (NOTE: keep this last):
1101         find . -type d -empty -delete
1102         # Make sure user can read and write all files (problem with dpkg otherwise):
1103         chmod -R u+rw .
1104 }
1105
1106 termux_step_post_massage() {
1107         return
1108 }
1109
1110 # Create data.tar.gz with files to package. Not to be overridden by package scripts.
1111 termux_step_create_datatar() {
1112         # Create data tarball containing files to package:
1113         cd "$TERMUX_PKG_MASSAGEDIR"
1114
1115         local HARDLINKS="$(find . -type f -links +1)"
1116         if [ -n "$HARDLINKS" ]; then
1117                 termux_error_exit "Package contains hard links: $HARDLINKS"
1118         fi
1119
1120         if [ -z "${TERMUX_PKG_METAPACKAGE+x}" ] && [ "$(find . -type f)" = "" ]; then
1121                 termux_error_exit "No files in package"
1122         fi
1123         tar -cJf "$TERMUX_PKG_PACKAGEDIR/data.tar.xz" .
1124 }
1125
1126 termux_step_create_debscripts() {
1127         return
1128 }
1129
1130 # Create the build deb file. Not to be overridden by package scripts.
1131 termux_step_create_debfile() {
1132         # Get install size. This will be written as the "Installed-Size" deb field so is measured in 1024-byte blocks:
1133         local TERMUX_PKG_INSTALLSIZE
1134         TERMUX_PKG_INSTALLSIZE=$(du -sk . | cut -f 1)
1135
1136         # From here on TERMUX_ARCH is set to "all" if TERMUX_PKG_PLATFORM_INDEPENDENT is set by the package
1137         test -n "$TERMUX_PKG_PLATFORM_INDEPENDENT" && TERMUX_ARCH=all
1138
1139         mkdir -p DEBIAN
1140         cat > DEBIAN/control <<-HERE
1141                 Package: $TERMUX_PKG_NAME
1142                 Architecture: ${TERMUX_ARCH}
1143                 Installed-Size: ${TERMUX_PKG_INSTALLSIZE}
1144                 Maintainer: $TERMUX_PKG_MAINTAINER
1145                 Version: $TERMUX_PKG_FULLVERSION
1146                 Description: $TERMUX_PKG_DESCRIPTION
1147                 Homepage: $TERMUX_PKG_HOMEPAGE
1148         HERE
1149         test ! -z "$TERMUX_PKG_DEPENDS" && echo "Depends: $TERMUX_PKG_DEPENDS" >> DEBIAN/control
1150         test ! -z "$TERMUX_PKG_ESSENTIAL" && echo "Essential: yes" >> DEBIAN/control
1151         test ! -z "$TERMUX_PKG_CONFLICTS" && echo "Conflicts: $TERMUX_PKG_CONFLICTS" >> DEBIAN/control
1152         test ! -z "$TERMUX_PKG_REPLACES" && echo "Replaces: $TERMUX_PKG_REPLACES" >> DEBIAN/control
1153
1154         # Create DEBIAN/conffiles (see https://www.debian.org/doc/debian-policy/ap-pkg-conffiles.html):
1155         for f in $TERMUX_PKG_CONFFILES; do echo "$TERMUX_PREFIX/$f" >> DEBIAN/conffiles; done
1156
1157         # Allow packages to create arbitrary control files.
1158         # XXX: Should be done in a better way without a function?
1159         cd DEBIAN
1160         termux_step_create_debscripts
1161
1162         # Create control.tar.xz
1163         tar -cJf "$TERMUX_PKG_PACKAGEDIR/control.tar.xz" .
1164
1165         test ! -f "$TERMUX_COMMON_CACHEDIR/debian-binary" && echo "2.0" > "$TERMUX_COMMON_CACHEDIR/debian-binary"
1166         TERMUX_PKG_DEBFILE=$TERMUX_DEBDIR/${TERMUX_PKG_NAME}_${TERMUX_PKG_FULLVERSION}_${TERMUX_ARCH}.deb
1167         # Create the actual .deb file:
1168         ar cr "$TERMUX_PKG_DEBFILE" \
1169                "$TERMUX_COMMON_CACHEDIR/debian-binary" \
1170                "$TERMUX_PKG_PACKAGEDIR/control.tar.xz" \
1171                "$TERMUX_PKG_PACKAGEDIR/data.tar.xz"
1172 }
1173
1174 # Finish the build. Not to be overridden by package scripts.
1175 termux_step_finish_build() {
1176         echo "termux - build of '$TERMUX_PKG_NAME' done"
1177         test -t 1 && printf "\033]0;%s - DONE\007" "$TERMUX_PKG_NAME"
1178         mkdir -p /data/data/.built-packages
1179         echo "$TERMUX_PKG_FULLVERSION" > "/data/data/.built-packages/$TERMUX_PKG_NAME"
1180         exit 0
1181 }
1182
1183 termux_step_handle_arguments "$@"
1184 termux_step_setup_variables
1185 termux_step_handle_buildarch
1186 termux_step_start_build
1187 termux_step_extract_package
1188 cd "$TERMUX_PKG_SRCDIR"
1189 termux_step_post_extract_package
1190 termux_step_handle_hostbuild
1191 termux_step_setup_toolchain
1192 termux_step_patch_package
1193 termux_step_replace_guess_scripts
1194 cd "$TERMUX_PKG_SRCDIR"
1195 termux_step_pre_configure
1196 cd "$TERMUX_PKG_BUILDDIR"
1197 termux_step_configure
1198 cd "$TERMUX_PKG_BUILDDIR"
1199 termux_step_post_configure
1200 cd "$TERMUX_PKG_BUILDDIR"
1201 termux_step_make
1202 cd "$TERMUX_PKG_BUILDDIR"
1203 termux_step_make_install
1204 cd "$TERMUX_PKG_BUILDDIR"
1205 termux_step_post_make_install
1206 cd "$TERMUX_PKG_MASSAGEDIR"
1207 termux_step_extract_into_massagedir
1208 cd "$TERMUX_PKG_MASSAGEDIR"
1209 termux_step_massage
1210 cd "$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX"
1211 termux_step_post_massage
1212 termux_step_create_datatar
1213 termux_step_create_debfile
1214 termux_step_finish_build