chiark / gitweb /
build-package.sh: Ensure a clean hostbuild dir
[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="$2"
15         local TMPFILE
16         TMPFILE=$(mktemp "$TERMUX_PKG_TMPDIR/download.$TERMUX_PKG_NAME.XXXXXXXXX")
17         echo "Downloading ${URL}"
18         local TRYMAX=6
19         for try in $(seq 1 $TRYMAX); do
20                 if curl -L --fail --retry 2 -o "$TMPFILE" "$URL"; then
21                         local ACTUAL_CHECKSUM
22                         ACTUAL_CHECKSUM=$(sha256sum "$TMPFILE" | cut -f 1 -d ' ')
23                         if [ $# = 3 ] && [ -n "$3" ]; then
24                                 # Optional checksum argument:
25                                 local EXPECTED=$3
26                                 if [ "$EXPECTED" != "$ACTUAL_CHECKSUM" ]; then
27                                         >&2 printf "Wrong checksum for %s:\nExpected: %s\nActual:   %s\n" \
28                                                    "$URL" "$EXPECTED" "$ACTUAL_CHECKSUM"
29                                         exit 1
30                                 fi
31                         else
32                                 printf "No validation of checksum for %s:\nActual: %s\n" \
33                                        "$URL" "$ACTUAL_CHECKSUM"
34                         fi
35                         mv "$TMPFILE" "$DESTINATION"
36                         return
37                 else
38                         echo "Download of $URL failed (attempt $try/$TRYMAX)" 1>&2
39                         sleep 45
40                 fi
41         done
42
43         termux_error_exit "Failed to download $URL"
44 }
45
46 # Utility function for golang-using packages to setup a go toolchain.
47 termux_setup_golang () {
48         export GOOS=android
49         export CGO_ENABLED=1
50         export GO_LDFLAGS="-extldflags=-pie"
51         if [ "$TERMUX_ARCH" = "arm" ]; then
52                 export GOARCH=arm
53                 export GOARM=7
54         elif [ "$TERMUX_ARCH" = "i686" ]; then
55                 export GOARCH=386
56                 export GO386=sse2
57         elif [ "$TERMUX_ARCH" = "aarch64" ]; then
58                 export GOARCH=arm64
59         elif [ "$TERMUX_ARCH" = "x86_64" ]; then
60                 export GOARCH=amd64
61         else
62                 termux_error_exit "Unsupported arch: $TERMUX_ARCH"
63         fi
64
65         local TERMUX_GO_VERSION=go1.7.4
66         local TERMUX_GO_PLATFORM=linux-amd64
67         test "$(uname)" = "Darwin" && TERMUX_GO_PLATFORM=darwin-amd64
68
69         local TERMUX_BUILDGO_FOLDER=$TERMUX_COMMON_CACHEDIR/${TERMUX_GO_VERSION}.${TERMUX_GO_PLATFORM}
70         export GOROOT=$TERMUX_BUILDGO_FOLDER
71         export PATH=$GOROOT/bin:$PATH
72
73         if [ -d "$TERMUX_BUILDGO_FOLDER" ]; then return; fi
74
75         local TERMUX_BUILDGO_TAR=$TERMUX_COMMON_CACHEDIR/${TERMUX_GO_VERSION}.${TERMUX_GO_PLATFORM}.tar.gz
76         rm -Rf "$TERMUX_COMMON_CACHEDIR/go" "$TERMUX_BUILDGO_FOLDER"
77         termux_download https://storage.googleapis.com/golang/${TERMUX_GO_VERSION}.${TERMUX_GO_PLATFORM}.tar.gz \
78                         "$TERMUX_BUILDGO_TAR"
79         ( cd "$TERMUX_COMMON_CACHEDIR"; tar xf "$TERMUX_BUILDGO_TAR"; mv go "$TERMUX_BUILDGO_FOLDER"; rm "$TERMUX_BUILDGO_TAR" )
80 }
81
82 # First step is to handle command-line arguments. Not to be overridden by packages.
83 termux_step_handle_arguments() {
84         # shellcheck source=/dev/null
85         test -f "$HOME/.termuxrc" && source "$HOME/.termuxrc"
86
87         # Handle command-line arguments:
88         _show_usage () {
89             echo "Usage: ./build-package.sh [-a ARCH] [-d] [-D] PACKAGE"
90             echo "Build a package by creating a .deb file in the debs/ folder."
91             echo "  -a The architecture to build for: aarch64(default), arm, i686, x86_64 or all."
92             echo "  -d Build with debug symbols."
93             echo "  -D Build a disabled package in disabled-packages/."
94             echo "  -s Skip dependency check."
95             exit 1
96         }
97         while getopts :a:hdDs option; do
98                 case "$option" in
99                 a) TERMUX_ARCH="$OPTARG";;
100                 h) _show_usage;;
101                 d) TERMUX_DEBUG=true;;
102                 D) local TERMUX_IS_DISABLED=true;;
103                 s) export TERMUX_SKIP_DEPCHECK=true;;
104                 ?) termux_error_exit "./build-package.sh: illegal option -$OPTARG";;
105                 esac
106         done
107         shift $((OPTIND-1))
108
109         if [ "$#" -ne 1 ]; then _show_usage; fi
110         unset -f _show_usage
111
112         # Handle 'all' arch:
113         if [ -n "${TERMUX_ARCH+x}" ] && [ "${TERMUX_ARCH}" = 'all' ]; then
114                 for arch in 'arm' 'i686' 'aarch64' 'x86_64'; do
115                         ./build-package.sh -a $arch "$1"
116                 done
117                 exit
118         fi
119
120         # Check the package to build:
121         TERMUX_PKG_NAME=$(basename "$1")
122         export TERMUX_SCRIPTDIR
123         TERMUX_SCRIPTDIR=$(cd "$(dirname "$0")"; pwd)
124         if [[ $1 == *"/"* ]]; then
125                 # Path to directory which may be outside this repo:
126                 if [ ! -d "$1" ]; then termux_error_exit "'$1' seems to be a path but is not a directory"; fi
127                 export TERMUX_PKG_BUILDER_DIR
128                 TERMUX_PKG_BUILDER_DIR=$(realpath "$1")
129         else
130                 # Package name:
131                 if [ -n "${TERMUX_IS_DISABLED=""}" ]; then
132                         export TERMUX_PKG_BUILDER_DIR=$TERMUX_SCRIPTDIR/disabled-packages/$TERMUX_PKG_NAME
133                 else
134                         export TERMUX_PKG_BUILDER_DIR=$TERMUX_SCRIPTDIR/packages/$TERMUX_PKG_NAME
135                 fi
136         fi
137         TERMUX_PKG_BUILDER_SCRIPT=$TERMUX_PKG_BUILDER_DIR/build.sh
138         if test ! -f "$TERMUX_PKG_BUILDER_SCRIPT"; then
139                 termux_error_exit "No build.sh script at package dir $TERMUX_PKG_BUILDER_DIR!"
140         fi
141 }
142
143 # Setup variables used by the build. Not to be overridden by packages.
144 termux_step_setup_variables() {
145         : "${ANDROID_HOME:="${HOME}/lib/android-sdk"}"
146         : "${NDK:="${HOME}/lib/android-ndk"}"
147         : "${TERMUX_MAKE_PROCESSES:="4"}"
148         : "${TERMUX_TOPDIR:="$HOME/.termux-build"}"
149         : "${TERMUX_ARCH:="aarch64"}" # arm, aarch64, i686 or x86_64.
150         : "${TERMUX_PREFIX:="/data/data/com.termux/files/usr"}"
151         : "${TERMUX_ANDROID_HOME:="/data/data/com.termux/files/home"}"
152         : "${TERMUX_DEBUG:=""}"
153         : "${TERMUX_API_LEVEL:="21"}"
154         : "${TERMUX_ANDROID_BUILD_TOOLS_VERSION:="24.0.1"}"
155         : "${TERMUX_NDK_VERSION:="13"}"
156
157         if [ "x86_64" = "$TERMUX_ARCH" ] || [ "aarch64" = "$TERMUX_ARCH" ]; then
158                 TERMUX_ARCH_BITS=64
159         else
160                 TERMUX_ARCH_BITS=32
161         fi
162
163         TERMUX_HOST_PLATFORM="${TERMUX_ARCH}-linux-android"
164         if [ "$TERMUX_ARCH" = "arm" ]; then TERMUX_HOST_PLATFORM="${TERMUX_HOST_PLATFORM}eabi"; fi
165
166         if [ ! -d "$NDK" ]; then
167                 termux_error_exit 'NDK not pointing at a directory!'
168         fi
169         if ! grep -s -q "Pkg.Revision = $TERMUX_NDK_VERSION" "$NDK/source.properties"; then
170                 termux_error_exit "Wrong NDK version - we need $TERMUX_NDK_VERSION"
171         fi
172
173         # The build tuple that may be given to --build configure flag:
174         TERMUX_BUILD_TUPLE=$(sh "$TERMUX_SCRIPTDIR/scripts/config.guess")
175
176         # We do not put all of build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/ into PATH
177         # to avoid stuff like arm-linux-androideabi-ld there to conflict with ones from
178         # the standalone toolchain.
179         TERMUX_DX=$ANDROID_HOME/build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/dx
180         TERMUX_JACK=$ANDROID_HOME/build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/jack.jar
181         TERMUX_JILL=$ANDROID_HOME/build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/jill.jar
182
183         TERMUX_COMMON_CACHEDIR="$TERMUX_TOPDIR/_cache"
184         TERMUX_DEBDIR="$TERMUX_SCRIPTDIR/debs"
185         TERMUX_ELF_CLEANER=$TERMUX_COMMON_CACHEDIR/termux-elf-cleaner
186
187         TERMUX_STANDALONE_TOOLCHAIN="$TERMUX_TOPDIR/_lib/toolchain-${TERMUX_ARCH}-ndk${TERMUX_NDK_VERSION}-api${TERMUX_API_LEVEL}"
188         # Bump the below version if a change is made in toolchain setup to ensure
189         # that everyone gets an updated toolchain:
190         TERMUX_STANDALONE_TOOLCHAIN+="-v4"
191
192         export TERMUX_TAR="tar"
193         export TERMUX_TOUCH="touch"
194         test "$(uname)" = "Darwin" && TERMUX_TAR=gtar
195         test "$(uname)" = "Darwin" && TERMUX_TOUCH=gtouch
196         export prefix=${TERMUX_PREFIX}
197         export PREFIX=${TERMUX_PREFIX}
198         export PKG_CONFIG_LIBDIR=$TERMUX_PREFIX/lib/pkgconfig
199
200         TERMUX_PKG_BUILDDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/build
201         TERMUX_PKG_CACHEDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/cache
202         TERMUX_PKG_MASSAGEDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/massage
203         TERMUX_PKG_PACKAGEDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/package
204         TERMUX_PKG_SRCDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/src
205         TERMUX_PKG_SHA256=""
206         TERMUX_PKG_TMPDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/tmp
207         TERMUX_PKG_HOSTBUILD_DIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/host-build
208         TERMUX_PKG_PLATFORM_INDEPENDENT=""
209         TERMUX_PKG_NO_DEVELSPLIT=""
210         TERMUX_PKG_BUILD_REVISION="0" # http://www.debian.org/doc/debian-policy/ch-controlfields.html#s-f-Version
211         TERMUX_PKG_EXTRA_CONFIGURE_ARGS=""
212         TERMUX_PKG_EXTRA_HOSTBUILD_CONFIGURE_ARGS=""
213         TERMUX_PKG_EXTRA_MAKE_ARGS=""
214         TERMUX_PKG_BUILD_IN_SRC=""
215         TERMUX_PKG_RM_AFTER_INSTALL=""
216         TERMUX_PKG_DEPENDS=""
217         TERMUX_PKG_HOMEPAGE=""
218         TERMUX_PKG_DESCRIPTION="FIXME:Add description"
219         TERMUX_PKG_FOLDERNAME=""
220         TERMUX_PKG_KEEP_STATIC_LIBRARIES="false"
221         TERMUX_PKG_ESSENTIAL=""
222         TERMUX_PKG_CONFLICTS="" # https://www.debian.org/doc/debian-policy/ch-relationships.html#s-conflicts
223         TERMUX_PKG_REPLACES=""
224         TERMUX_PKG_CONFFILES=""
225         TERMUX_PKG_INCLUDE_IN_DEVPACKAGE=""
226         TERMUX_PKG_DEVPACKAGE_DEPENDS=""
227         # Set if a host build should be done in TERMUX_PKG_HOSTBUILD_DIR:
228         TERMUX_PKG_HOSTBUILD=""
229         TERMUX_PKG_MAINTAINER="Fredrik Fornwall @fornwall"
230         TERMUX_PKG_CLANG=no
231
232         unset CFLAGS CPPFLAGS LDFLAGS CXXFLAGS
233 }
234
235 # Save away and restore build setups which may change between builds.
236 termux_step_handle_buildarch() {
237         # If $TERMUX_PREFIX already exists, it may have been built for a different arch
238         local TERMUX_ARCH_FILE=/data/TERMUX_ARCH
239         if [ -f "${TERMUX_ARCH_FILE}" ]; then
240                 local TERMUX_PREVIOUS_ARCH
241                 TERMUX_PREVIOUS_ARCH=$(cat $TERMUX_ARCH_FILE)
242                 if [ "$TERMUX_PREVIOUS_ARCH" != "$TERMUX_ARCH" ]; then
243                         local TERMUX_DATA_BACKUPDIRS=$TERMUX_TOPDIR/_databackups
244                         mkdir -p "$TERMUX_DATA_BACKUPDIRS"
245                         local TERMUX_DATA_PREVIOUS_BACKUPDIR=$TERMUX_DATA_BACKUPDIRS/$TERMUX_PREVIOUS_ARCH
246                         local TERMUX_DATA_CURRENT_BACKUPDIR=$TERMUX_DATA_BACKUPDIRS/$TERMUX_ARCH
247                         # Save current /data (removing old backup if any)
248                         if test -e "$TERMUX_DATA_PREVIOUS_BACKUPDIR"; then
249                                 termux_error_exit "Directory already exists"
250                         fi
251                         mv /data/data "$TERMUX_DATA_PREVIOUS_BACKUPDIR"
252                         # Restore new one (if any)
253                         if [ -d "$TERMUX_DATA_CURRENT_BACKUPDIR" ]; then
254                                 mv "$TERMUX_DATA_CURRENT_BACKUPDIR" /data/data
255                         fi
256                 fi
257         fi
258
259         # Keep track of current arch we are building for.
260         echo "$TERMUX_ARCH" > $TERMUX_ARCH_FILE
261 }
262
263 # Source the package build script and start building. No to be overridden by packages.
264 termux_step_start_build() {
265         # shellcheck source=/dev/null
266         source "$TERMUX_PKG_BUILDER_SCRIPT"
267
268         if [ -n "${TERMUX_PKG_BLACKLISTED_ARCHES:=""}" ] && [ "$TERMUX_PKG_BLACKLISTED_ARCHES" != "${TERMUX_PKG_BLACKLISTED_ARCHES/$TERMUX_ARCH/}" ]; then
269                 echo "Skipping building $TERMUX_PKG_NAME for arch $TERMUX_ARCH"
270                 exit 0
271         fi
272
273         if [ -z "${TERMUX_SKIP_DEPCHECK:=""}" ]; then
274                 local p TERMUX_ALL_DEPS
275                 TERMUX_ALL_DEPS=$(./scripts/buildorder.py "$TERMUX_PKG_NAME")
276                 for p in $TERMUX_ALL_DEPS; do
277                         if [ "$p" != "$TERMUX_PKG_NAME" ]; then
278                                 echo "Building dependency $p if necessary..."
279                                 ./build-package.sh -a $TERMUX_ARCH -s "$p"
280                         fi
281                 done
282         fi
283
284         TERMUX_PKG_FULLVERSION=$TERMUX_PKG_VERSION
285         if [ "$TERMUX_PKG_BUILD_REVISION" != "0" ] || [ "$TERMUX_PKG_FULLVERSION" != "${TERMUX_PKG_FULLVERSION/-/}" ]; then
286                 # "0" is the default revision, so only include it if the upstream versions contains "-" itself
287                 TERMUX_PKG_FULLVERSION+="-$TERMUX_PKG_BUILD_REVISION"
288         fi
289
290         if [ -z "$TERMUX_DEBUG" ] && [ -e "/data/data/.built-packages/$TERMUX_PKG_NAME" ]; then
291                 if [ "$(cat "/data/data/.built-packages/$TERMUX_PKG_NAME")" = "$TERMUX_PKG_FULLVERSION" ]; then
292                         echo "$TERMUX_PKG_NAME@$TERMUX_PKG_FULLVERSION built - skipping (rm /data/data/.built-packages/$TERMUX_PKG_NAME to force rebuild)"
293                         exit 0
294                 fi
295         fi
296
297         # Cleanup old state:
298         rm -Rf "$TERMUX_PKG_BUILDDIR" \
299                 "$TERMUX_PKG_PACKAGEDIR" \
300                 "$TERMUX_PKG_SRCDIR" \
301                 "$TERMUX_PKG_TMPDIR" \
302                 "$TERMUX_PKG_MASSAGEDIR"
303
304         # Ensure folders present (but not $TERMUX_PKG_SRCDIR, it will be created in build)
305         mkdir -p "$TERMUX_COMMON_CACHEDIR" \
306                 "$TERMUX_DEBDIR" \
307                  "$TERMUX_PKG_BUILDDIR" \
308                  "$TERMUX_PKG_PACKAGEDIR" \
309                  "$TERMUX_PKG_TMPDIR" \
310                  "$TERMUX_PKG_CACHEDIR" \
311                  "$TERMUX_PKG_MASSAGEDIR" \
312                  $PKG_CONFIG_LIBDIR \
313                  $TERMUX_PREFIX/{bin,etc,lib,libexec,share,tmp,include}
314
315         # Make $TERMUX_PREFIX/bin/sh executable on the builder, so that build
316         # scripts can assume that it works on both builder and host later on:
317         ln -f -s /bin/sh "$TERMUX_PREFIX/bin/sh"
318
319         TERMUX_ELF_CLEANER_SRC=$TERMUX_SCRIPTDIR/packages/termux-elf-cleaner/termux-elf-cleaner.cpp
320         if [ "$TERMUX_ELF_CLEANER_SRC" -nt "$TERMUX_ELF_CLEANER" ]; then
321                 g++ -std=c++11 -Wall -Wextra -pedantic -Os "$TERMUX_ELF_CLEANER_SRC" -o "$TERMUX_ELF_CLEANER"
322         fi
323
324         if [ -n "$TERMUX_PKG_BUILD_IN_SRC" ]; then
325                 echo "Building in src due to TERMUX_PKG_BUILD_IN_SRC being set" > "$TERMUX_PKG_BUILDDIR/BUILDING_IN_SRC.txt"
326                 TERMUX_PKG_BUILDDIR=$TERMUX_PKG_SRCDIR
327         fi
328
329         echo "termux - building $TERMUX_PKG_NAME for arch $TERMUX_ARCH..."
330         test -t 1 && printf "\033]0;%s...\007" "$TERMUX_PKG_NAME"
331
332         # Add a pkg-config file for the system zlib
333         cat > "$PKG_CONFIG_LIBDIR/zlib.pc" <<-HERE
334                 Name: zlib
335                 Description: zlib compression library
336                 Version: 1.2.8
337                 Requires:
338                 Libs: -lz
339         HERE
340
341         # Keep track of when build started so we can see what files have been created.
342         # We start by sleeping so that any generated files above (such as zlib.pc) get
343         # an older timestamp than the TERMUX_BUILD_TS_FILE.
344         sleep 1
345         TERMUX_BUILD_TS_FILE=$TERMUX_PKG_TMPDIR/timestamp_$TERMUX_PKG_NAME
346         touch "$TERMUX_BUILD_TS_FILE"
347 }
348
349 # Run just after sourcing $TERMUX_PKG_BUILDER_SCRIPT. May be overridden by packages.
350 termux_step_extract_package () {
351         if [ -z "${TERMUX_PKG_SRCURL:=""}" ]; then
352                 mkdir -p "$TERMUX_PKG_SRCDIR"
353                 return
354         fi
355         cd "$TERMUX_PKG_TMPDIR"
356         local filename
357         filename=$(basename "$TERMUX_PKG_SRCURL")
358         local file="$TERMUX_PKG_CACHEDIR/$filename"
359         test ! -f "$file" && termux_download "$TERMUX_PKG_SRCURL" "$file" "$TERMUX_PKG_SHA256"
360
361         if [ "x$TERMUX_PKG_FOLDERNAME" = "x" ]; then
362                 folder=`basename $filename .tar.bz2` && folder=`basename $folder .tar.gz` && folder=`basename $folder .tar.xz` && folder=`basename $folder .tar.lz` && folder=`basename $folder .tgz` && folder=`basename $folder .zip`
363                 folder=`echo $folder | sed 's/_/-/'` # dpkg uses _ in tar filename, but - in folder
364         else
365                 folder=$TERMUX_PKG_FOLDERNAME
366         fi
367         rm -Rf $folder
368         if [ "${file##*.}" = zip ]; then
369                 unzip -q "$file"
370         else
371                 $TERMUX_TAR xf "$file"
372         fi
373         mv $folder "$TERMUX_PKG_SRCDIR"
374 }
375
376 # Hook for packages to act just after the package has been extracted.
377 termux_step_post_extract_package () {
378         return
379 }
380
381 # Optional host build. Not to be overridden by packages.
382 termux_step_handle_hostbuild() {
383         if [ "x$TERMUX_PKG_HOSTBUILD" = "x" ]; then return; fi
384
385         cd "$TERMUX_PKG_SRCDIR"
386         for patch in $TERMUX_PKG_BUILDER_DIR/*.patch.beforehostbuild; do
387                 test -f "$patch" && sed "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" "$patch" | patch --silent -p1
388         done
389
390         local TERMUX_HOSTBUILD_MARKER="$TERMUX_PKG_HOSTBUILD_DIR/TERMUX_BUILT_FOR_$TERMUX_PKG_VERSION"
391         if [ ! -f "$TERMUX_HOSTBUILD_MARKER" ]; then
392                 rm -Rf "$TERMUX_PKG_HOSTBUILD_DIR"
393                 mkdir -p "$TERMUX_PKG_HOSTBUILD_DIR"
394                 cd "$TERMUX_PKG_HOSTBUILD_DIR"
395                 termux_step_host_build
396                 touch "$TERMUX_HOSTBUILD_MARKER"
397         fi
398 }
399
400 # Perform a host build. Will be called in $TERMUX_PKG_HOSTBUILD_DIR.
401 # After termux_step_post_extract_package() and before termux_step_patch_package()
402 termux_step_host_build () {
403         "$TERMUX_PKG_SRCDIR/configure" ${TERMUX_PKG_EXTRA_HOSTBUILD_CONFIGURE_ARGS}
404         make -j $TERMUX_MAKE_PROCESSES
405 }
406
407 # Setup a standalone Android NDK toolchain. Not to be overridden by packages.
408 termux_step_setup_toolchain() {
409         # We put this after system PATH to avoid picking up toolchain stripped python
410         export PATH=$PATH:$TERMUX_STANDALONE_TOOLCHAIN/bin
411
412         export AR=$TERMUX_HOST_PLATFORM-ar
413         if [ "$TERMUX_PKG_CLANG" = "no" ]; then
414                 export AS=${TERMUX_HOST_PLATFORM}-gcc
415                 export CC=$TERMUX_HOST_PLATFORM-gcc
416                 export CXX=$TERMUX_HOST_PLATFORM-g++
417                 _SPECSFLAG=" -specs=$TERMUX_SCRIPTDIR/termux.spec"
418         else
419                 export AS=${TERMUX_HOST_PLATFORM}-gcc
420                 export CC=$TERMUX_HOST_PLATFORM-clang
421                 export CXX=$TERMUX_HOST_PLATFORM-clang++
422                 # TODO: clang does not have specs file, how to ensure pie
423                 # binaries gets built?
424                 _SPECSFLAG=""
425         fi
426         export CPP=${TERMUX_HOST_PLATFORM}-cpp
427         export CC_FOR_BUILD=gcc
428         export LD=$TERMUX_HOST_PLATFORM-ld
429         export OBJDUMP=$TERMUX_HOST_PLATFORM-objdump
430         # Setup pkg-config for cross-compiling:
431         export PKG_CONFIG=$TERMUX_STANDALONE_TOOLCHAIN/bin/${TERMUX_HOST_PLATFORM}-pkg-config
432         export RANLIB=$TERMUX_HOST_PLATFORM-ranlib
433         export READELF=$TERMUX_HOST_PLATFORM-readelf
434         export STRIP=$TERMUX_HOST_PLATFORM-strip
435
436         export CFLAGS="$_SPECSFLAG"
437         export LDFLAGS="$_SPECSFLAG -L${TERMUX_PREFIX}/lib"
438         # Android 7 started to support DT_RUNPATH (but not DT_RPATH), so we may want
439         # LDFLAGS+="-Wl,-rpath=$TERMUX_PREFIX/lib -Wl,--enable-new-dtags"
440         # and no longer remove DT_RUNPATH in termux-elf-cleaner.
441
442         if [ "$TERMUX_ARCH" = "arm" ]; then
443                 CFLAGS+=" -march=armv7-a -mfpu=neon -mfloat-abi=softfp"
444                 # "first flag instructs the linker to pick libgcc.a, libgcov.a, and
445                 # crt*.o, which are tailored for armv7-a"
446                 # - https://developer.android.com/ndk/guides/standalone_toolchain.html
447                 LDFLAGS+=" -march=armv7-a -Wl,--fix-cortex-a8"
448         elif [ "$TERMUX_ARCH" = "i686" ]; then
449                 # From $NDK/docs/CPU-ARCH-ABIS.html:
450                 CFLAGS+=" -march=i686 -msse3 -mstackrealign -mfpmath=sse"
451         elif [ "$TERMUX_ARCH" = "aarch64" ]; then
452                 LDFLAGS+=" -Wl,-rpath-link,$TERMUX_PREFIX/lib"
453                 LDFLAGS+=" -Wl,-rpath-link,$TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/lib"
454         elif [ "$TERMUX_ARCH" = "x86_64" ]; then
455                 :
456         else
457                 termux_error_exit "Invalid arch '$TERMUX_ARCH' - support arches are 'arm', 'i686', 'aarch64', 'x86_64'"
458         fi
459
460         if [ -n "$TERMUX_DEBUG" ]; then
461                 CFLAGS+=" -g3 -O1 -fstack-protector --param ssp-buffer-size=4 -D_FORTIFY_SOURCE=2"
462         else
463                 CFLAGS+=" -Os"
464         fi
465
466         export CXXFLAGS="$CFLAGS"
467         export CPPFLAGS="-I${TERMUX_PREFIX}/include"
468
469         if [ "$TERMUX_PKG_DEPENDS" != "${TERMUX_PKG_DEPENDS/libandroid-support/}" ]; then
470                 # If using the android support library, link to it and include its headers as system headers:
471                 CPPFLAGS+=" -isystem $TERMUX_PREFIX/include/libandroid-support"
472                 LDFLAGS+=" -landroid-support"
473         fi
474
475         export ac_cv_func_getpwent=no
476         export ac_cv_func_getpwnam=no
477         export ac_cv_func_getpwuid=no
478
479         if [ ! -d $TERMUX_STANDALONE_TOOLCHAIN ]; then
480                 # Do not put toolchain in place until we are done with setup, to avoid having a half setup
481                 # toolchain left in place if something goes wrong (or process is just aborted):
482                 _TERMUX_TOOLCHAIN_TMPDIR=${TERMUX_STANDALONE_TOOLCHAIN}-tmp
483                 rm -Rf $_TERMUX_TOOLCHAIN_TMPDIR
484
485                 local _NDK_ARCHNAME=$TERMUX_ARCH
486                 if [ "$TERMUX_ARCH" = "aarch64" ]; then
487                         _NDK_ARCHNAME=arm64
488                 elif [ "$TERMUX_ARCH" = "i686" ]; then
489                         _NDK_ARCHNAME=x86
490                 fi
491                 "$NDK/build/tools/make_standalone_toolchain.py" \
492                         --api "$TERMUX_API_LEVEL" \
493                         --arch $_NDK_ARCHNAME \
494                         --install-dir $_TERMUX_TOOLCHAIN_TMPDIR
495
496                 if [ "$TERMUX_ARCH" = "arm" ]; then
497                         # Fix to allow e.g. <bits/c++config.h> to be included:
498                         cp $_TERMUX_TOOLCHAIN_TMPDIR/include/c++/4.9.x/arm-linux-androideabi/armv7-a/bits/* \
499                                 $_TERMUX_TOOLCHAIN_TMPDIR/include/c++/4.9.x/bits
500                 fi
501
502                 cd $_TERMUX_TOOLCHAIN_TMPDIR/sysroot
503
504                 for f in $TERMUX_SCRIPTDIR/ndk_patches/*.patch; do
505                         sed "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" "$f" | \
506                                 sed "s%\@TERMUX_HOME\@%${TERMUX_ANDROID_HOME}%g" | \
507                                 patch --silent -p1;
508                 done
509                 # elf.h is taken from glibc since the elf.h in the NDK is lacking.
510                 # sysexits.h is header-only and used by a few programs.
511                 cp "$TERMUX_SCRIPTDIR"/ndk_patches/{elf.h,sysexits.h} $_TERMUX_TOOLCHAIN_TMPDIR/sysroot/usr/include
512
513                 $TERMUX_ELF_CLEANER usr/lib/*.so
514
515                 # zlib is really version 1.2.8 in the Android platform (at least
516                 # starting from Android 5), not older as the NDK headers claim.
517                 for file in zconf.h zlib.h; do
518                         curl -o $_TERMUX_TOOLCHAIN_TMPDIR/sysroot/usr/include/$file \
519                                 https://raw.githubusercontent.com/madler/zlib/v1.2.8/$file
520                 done
521                 unset file
522
523                 mv $_TERMUX_TOOLCHAIN_TMPDIR $TERMUX_STANDALONE_TOOLCHAIN
524         fi
525
526         if [ ! -f $TERMUX_PREFIX/lib/libstdc++.so ]; then
527                 # Setup libgnustl_shared.so in $PREFIX/lib and libstdc++.so as a symlink to it,
528                 # so that other C++ using packages links to it instead of the default android
529                 # C++ library which does not support exceptions or STL:
530                 # https://developer.android.com/ndk/guides/cpp-support.html
531                 # We do however want to avoid installing this, to avoid problems where e.g.
532                 # libm.so on some i686 devices links against libstdc++.so.
533                 # The libgnustl_shared.so library will be packaged in the libgnustl package
534                 # which is part of the base Termux installation.
535                 mkdir -p "$TERMUX_PREFIX/lib"
536                 cd "$TERMUX_PREFIX/lib"
537                 _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib/libgnustl_shared.so
538                 if [ "$TERMUX_ARCH" = arm ]; then
539                         _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib/armv7-a/libgnustl_shared.so
540                 elif [ "$TERMUX_ARCH" = x86_64 ]; then
541                         _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib64/libgnustl_shared.so
542                 fi
543                 cp "$_STL_LIBFILE" .
544                 ln -f -s libgnustl_shared.so libstdc++.so
545         fi
546
547         # Create a pkg-config wrapper. We use path to host pkg-config to
548         # avoid picking up a cross-compiled pkg-config later on.
549         local _HOST_PKGCONFIG
550         _HOST_PKGCONFIG=$(which pkg-config)
551         mkdir -p $TERMUX_STANDALONE_TOOLCHAIN/bin "$PKG_CONFIG_LIBDIR"
552         cat > "$PKG_CONFIG" <<-HERE
553                 #!/bin/sh
554                 export PKG_CONFIG_DIR=
555                 export PKG_CONFIG_LIBDIR=$PKG_CONFIG_LIBDIR
556                 exec $_HOST_PKGCONFIG "\$@"
557         HERE
558         chmod +x "$PKG_CONFIG"
559 }
560
561 # Apply all *.patch files for the package. Not to be overridden by packages.
562 termux_step_patch_package () {
563         cd "$TERMUX_PKG_SRCDIR"
564         # Suffix patch with ".patch32" or ".patch64" to only apply for these bitnesses:
565         for patch in $TERMUX_PKG_BUILDER_DIR/*.patch{$TERMUX_ARCH_BITS,}; do
566                 test -f "$patch" && sed "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" "$patch" | \
567                         sed "s%\@TERMUX_HOME\@%${TERMUX_ANDROID_HOME}%g" | \
568                         patch --silent -p1
569         done
570
571         find . -name config.sub -exec chmod u+w '{}' \; -exec cp "$TERMUX_SCRIPTDIR/scripts/config.sub" '{}' \;
572         find . -name config.guess -exec chmod u+w '{}' \; -exec cp "$TERMUX_SCRIPTDIR/scripts/config.guess" '{}' \;
573 }
574
575 # For package scripts to override. Called in $TERMUX_PKG_BUILDDIR.
576 termux_step_pre_configure () {
577         return
578 }
579
580 termux_step_configure () {
581         if [ ! -e "$TERMUX_PKG_SRCDIR/configure" ]; then return; fi
582
583         DISABLE_STATIC="--disable-static"
584         if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--enable-static/}" ]; then
585                 # Do not --disable-static if package explicitly enables it (e.g. gdb needs enable-static to build)
586                 DISABLE_STATIC=""
587         fi
588
589         DISABLE_NLS="--disable-nls"
590         if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--enable-nls/}" ]; then
591                 # Do not --disable-nls if package explicitly enables it (for gettext itself)
592                 DISABLE_NLS=""
593         fi
594
595         ENABLE_SHARED="--enable-shared"
596         if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--disable-shared/}" ]; then
597                 ENABLE_SHARED=""
598         fi
599         HOST_FLAG="--host=$TERMUX_HOST_PLATFORM"
600         if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--host=/}" ]; then
601                 HOST_FLAG=""
602         fi
603
604         # Some packages provides a $PKG-config script which some configure scripts pickup instead of pkg-config:
605         mkdir "$TERMUX_PKG_TMPDIR/config-scripts"
606         for f in $TERMUX_PREFIX/bin/*config; do
607                 test -f "$f" && cp "$f" "$TERMUX_PKG_TMPDIR/config-scripts"
608         done
609         export PATH=$TERMUX_PKG_TMPDIR/config-scripts:$PATH
610
611         # See http://wiki.buici.com/xwiki/bin/view/Programing+C+and+C%2B%2B/Autoconf+and+RPL_MALLOC
612         # about this problem which may cause linker errors in test scripts not undef:ing malloc and
613         # also cause problems with e.g. malloc interceptors such as libgc:
614         local AVOID_AUTOCONF_WRAPPERS="ac_cv_func_malloc_0_nonnull=yes ac_cv_func_realloc_0_nonnull=yes"
615         # Similarly, disable gnulib's rpl_getcwd(). It returns the wrong value, affecting zile. See
616         # <https://github.com/termux/termux-packages/issues/76>.
617         AVOID_AUTOCONF_WRAPPERS+=" gl_cv_func_getcwd_null=yes gl_cv_func_getcwd_posix_signature=yes gl_cv_func_getcwd_path_max=yes gl_cv_func_getcwd_abort_bug=no"
618         AVOID_AUTOCONF_WRAPPERS+=" gl_cv_header_working_fcntl_h=yes gl_cv_func_fcntl_f_dupfd_cloexec=yes gl_cv_func_fcntl_f_dupfd_works=yes"
619         # Remove rpl_gettimeofday reference when building at least coreutils:
620         AVOID_AUTOCONF_WRAPPERS+=" gl_cv_func_tzset_clobber=no gl_cv_func_gettimeofday_clobber=no gl_cv_func_gettimeofday_posix_signature=yes"
621
622         # NOTE: We do not want to quote AVOID_AUTOCONF_WRAPPERS as we want word expansion.
623         env $AVOID_AUTOCONF_WRAPPERS "$TERMUX_PKG_SRCDIR/configure" \
624                 --disable-dependency-tracking \
625                 --prefix=$TERMUX_PREFIX \
626                 --disable-rpath --disable-rpath-hack \
627                 $HOST_FLAG \
628                 $TERMUX_PKG_EXTRA_CONFIGURE_ARGS \
629                 $DISABLE_NLS \
630                 $ENABLE_SHARED \
631                 $DISABLE_STATIC \
632                 --libexecdir=$TERMUX_PREFIX/libexec
633 }
634
635 termux_step_post_configure () {
636         return
637 }
638
639 termux_step_make () {
640         if ls *akefile &> /dev/null; then
641                 if [ -z "$TERMUX_PKG_EXTRA_MAKE_ARGS" ]; then
642                         make -j $TERMUX_MAKE_PROCESSES
643                 else
644                 make -j $TERMUX_MAKE_PROCESSES ${TERMUX_PKG_EXTRA_MAKE_ARGS}
645                 fi
646         fi
647 }
648
649 termux_step_make_install () {
650         if ls *akefile &> /dev/null; then
651                 : ${TERMUX_PKG_MAKE_INSTALL_TARGET:="install"}:
652                 # Some packages have problem with parallell install, and it does not buy much, so use -j 1.
653                 if [ -z "$TERMUX_PKG_EXTRA_MAKE_ARGS" ]; then
654                         make -j 1 ${TERMUX_PKG_MAKE_INSTALL_TARGET}
655                 else
656                         make -j 1 ${TERMUX_PKG_EXTRA_MAKE_ARGS} ${TERMUX_PKG_MAKE_INSTALL_TARGET}
657                 fi
658         fi
659 }
660
661 # Hook function for package scripts to override.
662 termux_step_post_make_install () {
663         return
664 }
665
666 termux_step_extract_into_massagedir () {
667         local TARBALL_ORIG=$TERMUX_PKG_PACKAGEDIR/${TERMUX_PKG_NAME}_orig.tar.gz
668
669         # Build diff tar with what has changed during the build:
670         cd $TERMUX_PREFIX
671         $TERMUX_TAR -N "$TERMUX_BUILD_TS_FILE" -czf "$TARBALL_ORIG" .
672
673         # Extract tar in order to massage it
674         mkdir -p "$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX"
675         cd "$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX"
676         $TERMUX_TAR xf "$TARBALL_ORIG"
677         rm "$TARBALL_ORIG"
678 }
679
680 termux_step_massage () {
681         cd "$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX"
682
683         # Remove lib/charset.alias which is installed by gettext-using packages:
684         rm -f lib/charset.alias
685
686         # Remove non-english man pages:
687         test -d share/man && (cd share/man; for f in `ls | grep -v man`; do rm -Rf $f; done )
688
689         if [ -z "${TERMUX_PKG_KEEP_INFOPAGES+x}" ]; then
690                 # Remove info pages:
691                 rm -Rf share/info
692         fi
693
694         # Remove locale files we're not interested in::
695         rm -Rf share/locale
696         if [ -z "${TERMUX_PKG_KEEP_SHARE_DOC+x}" ]; then
697                 # Remove info pages:
698                 rm -Rf share/doc
699         fi
700
701         # Remove old kept libraries (readline):
702         find . -name '*.old' -delete
703
704         # Remove static libraries:
705         if [ $TERMUX_PKG_KEEP_STATIC_LIBRARIES = "false" ]; then
706                 find . -name '*.a' -delete
707                 find . -name '*.la' -delete
708         fi
709
710         # Move over sbin to bin:
711         for file in sbin/*; do if test -f "$file"; then mv "$file" bin/; fi; done
712
713         # Remove world permissions and add write permissions.
714         # The -f flag is used to suppress warnings about dangling symlinks (such
715         # as ones to /system/... which may not exist on the build machine):
716         find . -exec chmod -f u+w,o-rwx \{\} \;
717         if [ "$TERMUX_DEBUG" = "" ]; then
718                 # Strip binaries. file(1) may fail for certain unusual files, so disable pipefail.
719                 set +e +o pipefail
720                 find . -type f | xargs -r file | grep -E "(executable|shared object)" | grep ELF | cut -f 1 -d : | \
721                         xargs -r "$STRIP" --strip-unneeded --preserve-dates
722                 set -e -o pipefail
723         fi
724         # Remove DT_ entries which the android 5.1 linker warns about:
725         find . -type f -print0 | xargs -r -0 "$TERMUX_ELF_CLEANER"
726
727         # Fix shebang paths:
728         for file in `find -L . -type f`; do
729                 head -c 100 $file | grep -E "^#\!.*\\/bin\\/.*" | grep -q -E -v "^#\! ?\\/system" && sed --follow-symlinks -i -E "1 s@^#\!(.*)/bin/(.*)@#\!$TERMUX_PREFIX/bin/\2@" $file
730         done
731
732         test ! -z "$TERMUX_PKG_RM_AFTER_INSTALL" && rm -Rf $TERMUX_PKG_RM_AFTER_INSTALL
733
734         find . -type d -empty -delete # Remove empty directories
735
736         # Sub packages:
737         if [ -d include ] && [ -z "${TERMUX_PKG_NO_DEVELSPLIT}" ]; then
738                 # Add virtual -dev sub package if there are include files:
739                 local _DEVEL_SUBPACKAGE_FILE=$TERMUX_PKG_TMPDIR/${TERMUX_PKG_NAME}-dev.subpackage.sh
740                 echo TERMUX_SUBPKG_INCLUDE=\"include share/man/man3 lib/pkgconfig share/aclocal $TERMUX_PKG_INCLUDE_IN_DEVPACKAGE\" > $_DEVEL_SUBPACKAGE_FILE
741                 echo TERMUX_SUBPKG_DESCRIPTION=\"Development files for ${TERMUX_PKG_NAME}\" >> $_DEVEL_SUBPACKAGE_FILE
742                 if [ -n "$TERMUX_PKG_DEVPACKAGE_DEPENDS" ]; then
743                         echo TERMUX_SUBPKG_DEPENDS=\"$TERMUX_PKG_NAME,$TERMUX_PKG_DEVPACKAGE_DEPENDS\" >> $_DEVEL_SUBPACKAGE_FILE
744                 else
745                         echo TERMUX_SUBPKG_DEPENDS=\"$TERMUX_PKG_NAME\" >> "$_DEVEL_SUBPACKAGE_FILE"
746                 fi
747                 if [ x$TERMUX_PKG_CONFLICTS != x ]; then
748                         # Assume that dev packages conflicts as well.
749                         echo "TERMUX_SUBPKG_CONFLICTS=${TERMUX_PKG_CONFLICTS}-dev" >> "$_DEVEL_SUBPACKAGE_FILE"
750                 fi
751         fi
752         # Now build all sub packages
753         rm -Rf "$TERMUX_TOPDIR/$TERMUX_PKG_NAME/subpackages"
754         for subpackage in $TERMUX_PKG_BUILDER_DIR/*.subpackage.sh $TERMUX_PKG_TMPDIR/*subpackage.sh; do
755                 test ! -f "$subpackage" && continue
756                 local SUB_PKG_NAME
757                 SUB_PKG_NAME=$(basename "$subpackage" .subpackage.sh)
758                 # Default value is same as main package, but sub package may override:
759                 local TERMUX_SUBPKG_PLATFORM_INDEPENDENT=$TERMUX_PKG_PLATFORM_INDEPENDENT
760                 local SUB_PKG_DIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/subpackages/$SUB_PKG_NAME
761                 local TERMUX_SUBPKG_DEPENDS=""
762                 local TERMUX_SUBPKG_CONFLICTS=""
763                 local SUB_PKG_MASSAGE_DIR=$SUB_PKG_DIR/massage/$TERMUX_PREFIX
764                 local SUB_PKG_PACKAGE_DIR=$SUB_PKG_DIR/package
765                 mkdir -p "$SUB_PKG_MASSAGE_DIR" "$SUB_PKG_PACKAGE_DIR"
766
767                 # shellcheck source=/dev/null
768                 source $subpackage
769
770                 for includeset in $TERMUX_SUBPKG_INCLUDE; do
771                         local _INCLUDE_DIRSET
772                         _INCLUDE_DIRSET=$(dirname "$includeset")
773                         test "$_INCLUDE_DIRSET" = "." && _INCLUDE_DIRSET=""
774                         if [ -e "$includeset" ] || [ -L "$includeset" ]; then
775                                 # Add the -L clause to handle relative symbolic links:
776                                 mkdir -p "$SUB_PKG_MASSAGE_DIR/$_INCLUDE_DIRSET"
777                                 mv "$includeset" "$SUB_PKG_MASSAGE_DIR/$_INCLUDE_DIRSET"
778                         fi
779                 done
780
781                 local SUB_PKG_ARCH=$TERMUX_ARCH
782                 test -n "$TERMUX_SUBPKG_PLATFORM_INDEPENDENT" && SUB_PKG_ARCH=all
783
784                 cd "$SUB_PKG_DIR/massage"
785                 local SUB_PKG_INSTALLSIZE
786                 SUB_PKG_INSTALLSIZE=$(du -sk . | cut -f 1)
787                 $TERMUX_TAR -cJf "$SUB_PKG_PACKAGE_DIR/data.tar.xz" .
788
789                 mkdir -p DEBIAN
790                 cd DEBIAN
791                 cat > control <<-HERE
792                         Package: $SUB_PKG_NAME
793                         Architecture: ${SUB_PKG_ARCH}
794                         Installed-Size: ${SUB_PKG_INSTALLSIZE}
795                         Maintainer: $TERMUX_PKG_MAINTAINER
796                         Version: $TERMUX_PKG_FULLVERSION
797                         Description: $TERMUX_SUBPKG_DESCRIPTION
798                         Homepage: $TERMUX_PKG_HOMEPAGE
799                 HERE
800                 test ! -z "$TERMUX_SUBPKG_DEPENDS" && echo "Depends: $TERMUX_SUBPKG_DEPENDS" >> control
801                 test ! -z "$TERMUX_SUBPKG_CONFLICTS" && echo "Conflicts: $TERMUX_SUBPKG_CONFLICTS" >> control
802                 $TERMUX_TAR -cJf "$SUB_PKG_PACKAGE_DIR/control.tar.xz" .
803
804                 # Create the actual .deb file:
805                 TERMUX_SUBPKG_DEBFILE=$TERMUX_DEBDIR/${SUB_PKG_NAME}_${TERMUX_PKG_FULLVERSION}_${SUB_PKG_ARCH}.deb
806                 test ! -f "$TERMUX_COMMON_CACHEDIR/debian-binary" && echo "2.0" > "$TERMUX_COMMON_CACHEDIR/debian-binary"
807                 ar cr "$TERMUX_SUBPKG_DEBFILE" \
808                                    "$TERMUX_COMMON_CACHEDIR/debian-binary" \
809                                    "$SUB_PKG_PACKAGE_DIR/control.tar.xz" \
810                                    "$SUB_PKG_PACKAGE_DIR/data.tar.xz"
811
812                 # Go back to main package:
813                 cd "$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX"
814         done
815
816         # .. remove empty directories (NOTE: keep this last):
817         find . -type d -empty -delete
818         # Make sure user can read and write all files (problem with dpkg otherwise):
819         chmod -R u+rw .
820 }
821
822 termux_step_post_massage () {
823         return
824 }
825
826 # Create data.tar.gz with files to package. Not to be overridden by package scripts.
827 termux_step_create_datatar() {
828         # Create data tarball containing files to package:
829         cd "$TERMUX_PKG_MASSAGEDIR"
830         if [ -z "${TERMUX_PKG_METAPACKAGE+x}" ] && [ "$(find . -type f)" = "" ]; then
831                 termux_error_exit "No files in package"
832         fi
833         $TERMUX_TAR -cJf "$TERMUX_PKG_PACKAGEDIR/data.tar.xz" .
834 }
835
836 termux_step_create_debscripts () {
837         return
838 }
839
840 # Create the build deb file. Not to be overridden by package scripts.
841 termux_step_create_debfile() {
842         # Get install size. This will be written as the "Installed-Size" deb field so is measured in 1024-byte blocks:
843         local TERMUX_PKG_INSTALLSIZE
844         TERMUX_PKG_INSTALLSIZE=$(du -sk . | cut -f 1)
845
846         # From here on TERMUX_ARCH is set to "all" if TERMUX_PKG_PLATFORM_INDEPENDENT is set by the package
847         test -n "$TERMUX_PKG_PLATFORM_INDEPENDENT" && TERMUX_ARCH=all
848
849         mkdir -p DEBIAN
850         cat > DEBIAN/control <<-HERE
851                 Package: $TERMUX_PKG_NAME
852                 Architecture: ${TERMUX_ARCH}
853                 Installed-Size: ${TERMUX_PKG_INSTALLSIZE}
854                 Maintainer: $TERMUX_PKG_MAINTAINER
855                 Version: $TERMUX_PKG_FULLVERSION
856                 Description: $TERMUX_PKG_DESCRIPTION
857                 Homepage: $TERMUX_PKG_HOMEPAGE
858         HERE
859         test ! -z "$TERMUX_PKG_DEPENDS" && echo "Depends: $TERMUX_PKG_DEPENDS" >> DEBIAN/control
860         test ! -z "$TERMUX_PKG_ESSENTIAL" && echo "Essential: yes" >> DEBIAN/control
861         test ! -z "$TERMUX_PKG_CONFLICTS" && echo "Conflicts: $TERMUX_PKG_CONFLICTS" >> DEBIAN/control
862         test ! -z "$TERMUX_PKG_REPLACES" && echo "Replaces: $TERMUX_PKG_REPLACES" >> DEBIAN/control
863
864         # Create DEBIAN/conffiles (see https://www.debian.org/doc/debian-policy/ap-pkg-conffiles.html):
865         for f in $TERMUX_PKG_CONFFILES; do echo "$TERMUX_PREFIX/$f" >> DEBIAN/conffiles; done
866
867         # Allow packages to create arbitrary control files.
868         # XXX: Should be done in a better way without a function?
869         cd DEBIAN
870         termux_step_create_debscripts
871
872         # Create control.tar.xz
873         $TERMUX_TAR -cJf "$TERMUX_PKG_PACKAGEDIR/control.tar.xz" .
874
875         test ! -f "$TERMUX_COMMON_CACHEDIR/debian-binary" && echo "2.0" > "$TERMUX_COMMON_CACHEDIR/debian-binary"
876         TERMUX_PKG_DEBFILE=$TERMUX_DEBDIR/${TERMUX_PKG_NAME}_${TERMUX_PKG_FULLVERSION}_${TERMUX_ARCH}.deb
877         # Create the actual .deb file:
878         ar cr "$TERMUX_PKG_DEBFILE" \
879                "$TERMUX_COMMON_CACHEDIR/debian-binary" \
880                "$TERMUX_PKG_PACKAGEDIR/control.tar.xz" \
881                "$TERMUX_PKG_PACKAGEDIR/data.tar.xz"
882 }
883
884 # Finish the build. Not to be overridden by package scripts.
885 termux_step_finish_build() {
886         echo "termux - build of '$TERMUX_PKG_NAME' done"
887         test -t 1 && printf "\033]0;%s - DONE\007" "$TERMUX_PKG_NAME"
888         mkdir -p /data/data/.built-packages
889         echo "$TERMUX_PKG_FULLVERSION" > "/data/data/.built-packages/$TERMUX_PKG_NAME"
890         exit 0
891 }
892
893 termux_step_handle_arguments "$@"
894 termux_step_setup_variables
895 termux_step_handle_buildarch
896 termux_step_start_build
897 termux_step_extract_package
898 termux_step_post_extract_package
899 termux_step_handle_hostbuild
900 termux_step_setup_toolchain
901 termux_step_patch_package
902 cd "$TERMUX_PKG_BUILDDIR"
903 termux_step_pre_configure
904 cd "$TERMUX_PKG_BUILDDIR"
905 termux_step_configure
906 cd "$TERMUX_PKG_BUILDDIR"
907 termux_step_post_configure
908 cd "$TERMUX_PKG_BUILDDIR"
909 termux_step_make
910 cd "$TERMUX_PKG_BUILDDIR"
911 termux_step_make_install
912 cd "$TERMUX_PKG_BUILDDIR"
913 termux_step_post_make_install
914 cd "$TERMUX_PKG_MASSAGEDIR"
915 termux_step_extract_into_massagedir
916 cd "$TERMUX_PKG_MASSAGEDIR"
917 termux_step_massage
918 cd "$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX"
919 termux_step_post_massage
920 termux_step_create_datatar
921 termux_step_create_debfile
922 termux_step_finish_build