chiark / gitweb /
ee45ab4b8d4024f337a56643d63d367ae6b08b8f
[termux-packages] / build-package.sh
1 #!/bin/bash
2
3 set -e -o pipefail -u
4
5 if [ "$#" -ne 1 ]; then echo "ERROR: Specify one argument (name of or path to package)"; exit 1; fi
6 export TERMUX_PKG_NAME=`basename $1`
7 export TERMUX_SCRIPTDIR=`cd $(dirname $0); pwd`
8
9 if [[ $1 == *"/"* ]]; then
10   # Path to directory which may be outside this repo:
11   if [ ! -d $1 ]; then echo "ERROR: '$1' seems to be a path but is not a directory"; exit 1; fi
12   export TERMUX_PKG_BUILDER_DIR=`realpath $1`
13 else
14   # Package name:
15   export TERMUX_PKG_BUILDER_DIR=$TERMUX_SCRIPTDIR/packages/$TERMUX_PKG_NAME
16 fi
17 export TERMUX_PKG_BUILDER_SCRIPT=$TERMUX_PKG_BUILDER_DIR/build.sh
18 if test ! -f $TERMUX_PKG_BUILDER_SCRIPT; then echo "ERROR: No build.sh script at supposed package dir $TERMUX_PKG_BUILDER_DIR!"; exit 1; fi
19
20 echo "termux - building $1..."
21 test -t 1 && printf "\033]0;$1...\007"
22
23 # Read settings from .termuxrc if existing
24 test -f $HOME/.termuxrc && . $HOME/.termuxrc
25
26 # Configurable settings
27 : ${NDK:="${HOME}/lib/android-ndk"}
28 : ${ANDROID_HOME:="${HOME}/lib/android-sdk"}
29 if [ ! -d "$NDK" ]; then echo 'ERROR: $NDK not defined as pointing at a directory - define it pointing at a android NDK installation!'; exit 1; fi
30 : ${TERMUX_MAKE_PROCESSES:='4'}
31 : ${TERMUX_TOPDIR:="$HOME/termux"}
32 : ${TERMUX_ARCH:="arm"} # (arm|aarch64|i686|x86_64) - the 64 bit variants do not work yet
33 TERMUX_ARCH_BITS="32"
34 if [ "x86_64" = $TERMUX_ARCH -o "aarch64" = $TERMUX_ARCH ]; then
35         TERMUX_ARCH_BITS="64"
36 fi
37 : ${TERMUX_HOST_PLATFORM:="${TERMUX_ARCH}-linux-android"}
38 if [ $TERMUX_ARCH = "arm" ]; then TERMUX_HOST_PLATFORM="${TERMUX_HOST_PLATFORM}eabi"; fi
39 : ${TERMUX_PREFIX:='/data/data/com.termux/files/usr'}
40 : ${TERMUX_ANDROID_HOME:='/data/data/com.termux/files/home'}
41 : ${TERMUX_DEBUG:=""}
42 : ${TERMUX_PROCESS_DEB:=""}
43 : ${TERMUX_GCC_VERSION:="4.9"}
44 : ${TERMUX_API_LEVEL:="21"}
45 : ${TERMUX_STANDALONE_TOOLCHAIN:="$HOME/lib/android-standalone-toolchain-${TERMUX_ARCH}-api${TERMUX_API_LEVEL}-gcc${TERMUX_GCC_VERSION}"}
46 : ${TERMUX_ANDROID_BUILD_TOOLS_VERSION:="23.0.2"}
47 # We do not put all of build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/ into PATH
48 # to avoid stuff like arm-linux-androideabi-ld there to conflict with ones from
49 # the standalone toolchain.
50 TERMUX_DX=$ANDROID_HOME/build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/dx
51
52 # We put this after system PATH to avoid picking up toolchain stripped python
53 export PATH=$PATH:$TERMUX_STANDALONE_TOOLCHAIN/bin
54
55 # Make $TERMUX_TAR and $TERMUX_TOUCH point at gnu versions:
56 export TERMUX_TAR="tar"
57 test `uname` = "Darwin" && TERMUX_TAR=gnutar
58 export TERMUX_TOUCH="touch"
59 test `uname` = "Darwin" && TERMUX_TOUCH=gtouch
60
61 # Compute NDK version. We remove the first character (the r in e.g. r9d) to get a version number which can be used in packages):
62 export TERMUX_NDK_VERSION=11
63 if grep -s -q "Pkg.Revision = $TERMUX_NDK_VERSION" $NDK/source.properties; then
64         :
65 else
66         echo "Wrong NDK version - we need $TERMUX_NDK_VERSION"
67         exit 1
68 fi
69
70 export prefix=${TERMUX_PREFIX} # prefix is used by some makefiles
71 #export ACLOCAL="aclocal -I $TERMUX_PREFIX/share/aclocal"
72 export AR=$TERMUX_HOST_PLATFORM-ar
73 export AS=${TERMUX_HOST_PLATFORM}-gcc
74 export CC=$TERMUX_HOST_PLATFORM-gcc
75 export CPP=${TERMUX_HOST_PLATFORM}-cpp
76 export CXX=$TERMUX_HOST_PLATFORM-g++
77 export CC_FOR_BUILD=gcc
78 export LD=$TERMUX_HOST_PLATFORM-ld
79 export OBJDUMP=$TERMUX_HOST_PLATFORM-objdump
80 # Setup pkg-config for cross-compiling:
81 export PKG_CONFIG=$TERMUX_STANDALONE_TOOLCHAIN/bin/${TERMUX_HOST_PLATFORM}-pkg-config
82 export PKG_CONFIG_LIBDIR=$TERMUX_PREFIX/lib/pkgconfig
83 export RANLIB=$TERMUX_HOST_PLATFORM-ranlib
84 export READELF=$TERMUX_HOST_PLATFORM-readelf
85 export STRIP=$TERMUX_HOST_PLATFORM-strip
86
87 _SPECSFLAG="-specs=$TERMUX_SCRIPTDIR/termux.spec"
88 export CFLAGS="$_SPECSFLAG"
89 export LDFLAGS="$_SPECSFLAG -L${TERMUX_PREFIX}/lib"
90
91 if [ "$TERMUX_ARCH" = "arm" ]; then
92         # For hard support: http://blog.alexrp.com/2014/02/18/android-hard-float-support/
93         # "First, to utilize the hard float ABI, you must either compile every last component of your application
94         # as hard float (the -mhard-float GCC/Clang switch), or mark individual functions with the appropriate
95         # __attribute__ to indicate the desired ABI. For example, to mark a function so that it’s called with the
96         # soft float ABI, stick __attribute__((pcs("aapcs"))) on it.
97         # Note that the NDK will link to a libm which uses the aforementioned attribute on all of its functions.
98         # This means that if you use libm functions a lot, you’re not likely to get much of a boost in those places.
99         # The way to fix this is to add -mhard-float -D_NDK_MATH_NO_SOFTFP=1 to your GCC/Clang command line. Then
100         # add -lm_hard to your linker command line (or -Wl,-lm_hard if you just invoke GCC/Clang to link). This will
101         # make your application link statically to a libm compiled for the hard float ABI. The only downside of this
102         # is that your application will increase somewhat in size."
103         CFLAGS+=" -march=armv7-a -mfpu=neon -mhard-float -Wl,--no-warn-mismatch"
104         LDFLAGS+=" -march=armv7-a -Wl,--no-warn-mismatch"
105 elif [ $TERMUX_ARCH = "i686" ]; then
106         # From $NDK/docs/CPU-ARCH-ABIS.html:
107         CFLAGS+=" -march=i686 -msse3 -mstackrealign -mfpmath=sse"
108 elif [ $TERMUX_ARCH = "aarch64" ]; then
109         LDFLAGS+=" -Wl,-rpath-link,$TERMUX_PREFIX/lib"
110         LDFLAGS+=" -Wl,-rpath-link,$TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/lib"
111 fi
112
113 if [ -n "$TERMUX_DEBUG" ]; then
114         CFLAGS+=" -g3 -Og -fstack-protector --param ssp-buffer-size=4 -D_FORTIFY_SOURCE=2"
115 else
116         CFLAGS+=" -Os"
117 fi
118
119 export CXXFLAGS="$CFLAGS"
120 export CPPFLAGS="-I${TERMUX_PREFIX}/include"
121
122 export ac_cv_func_getpwent=no
123 export ac_cv_func_getpwnam=no
124 export ac_cv_func_getpwuid=no
125
126 if [ ! -d $TERMUX_STANDALONE_TOOLCHAIN ]; then
127         # See https://developer.android.com/ndk/guides/standalone_toolchain.html about toolchain naming.
128         if [ "i686" = $TERMUX_ARCH ]; then
129                 _TERMUX_NDK_TOOLCHAIN_NAME="x86"
130         elif [ "x86_64" = $TERMUX_ARCH ]; then
131                 _TERMUX_NDK_TOOLCHAIN_NAME="x86_64"
132         else
133                 _TERMUX_NDK_TOOLCHAIN_NAME="$TERMUX_HOST_PLATFORM"
134         fi
135         bash $NDK/build/tools/make-standalone-toolchain.sh --platform=android-$TERMUX_API_LEVEL --toolchain=${_TERMUX_NDK_TOOLCHAIN_NAME}-${TERMUX_GCC_VERSION} \
136                 --install-dir=$TERMUX_STANDALONE_TOOLCHAIN
137         if [ "arm" = $TERMUX_ARCH ]; then
138                 # Fix to allow e.g. <bits/c++config.h> to be included:
139                 cp $TERMUX_STANDALONE_TOOLCHAIN/include/c++/$TERMUX_GCC_VERSION/arm-linux-androideabi/armv7-a/bits/* $TERMUX_STANDALONE_TOOLCHAIN/include/c++/$TERMUX_GCC_VERSION/bits
140         fi
141         cd $TERMUX_STANDALONE_TOOLCHAIN/sysroot
142         for f in $TERMUX_SCRIPTDIR/ndk_patches/*.patch; do
143                 sed "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" $f | \
144                         sed "s%\@TERMUX_HOME\@%${TERMUX_ANDROID_HOME}%g" | \
145                         patch -p1;
146                 echo "PATCHING FILE $f done!"
147         done
148         # sha1.h was removed from android ndk for platforms above 19, but needed by the aapt package
149         # JNIHelp.h is also used by aapt
150         # sysexits.h is header-only and used by some unix code
151         cp $TERMUX_SCRIPTDIR/ndk_patches/{sha1.h,sysexits.h,JNIHelp.h} $TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/include
152 fi
153
154 export TERMUX_COMMON_CACHEDIR="$TERMUX_TOPDIR/_cache"
155 export TERMUX_COMMON_DEBDIR="$TERMUX_TOPDIR/_deb"
156 mkdir -p $TERMUX_COMMON_CACHEDIR $TERMUX_COMMON_DEBDIR
157
158 # Get fresh versions of config.sub and config.guess
159 for f in config.sub config.guess; do test ! -f $TERMUX_COMMON_CACHEDIR/$f && curl "http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=${f};hb=HEAD" > $TERMUX_COMMON_CACHEDIR/$f; done
160 # Have a debian-binary file ready for deb packaging:
161 test ! -f $TERMUX_COMMON_CACHEDIR/debian-binary && echo "2.0" > $TERMUX_COMMON_CACHEDIR/debian-binary
162 # The host tuple that may be given to --host configure flag, but normally autodetected so not needed explicitly
163 TERMUX_HOST_TUPLE=`sh $TERMUX_COMMON_CACHEDIR/config.guess`
164
165 TERMUX_PKG_BUILDDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/build
166 TERMUX_PKG_CACHEDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/cache
167 TERMUX_PKG_MASSAGEDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/massage
168 TERMUX_PKG_PACKAGEDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/package
169 TERMUX_PKG_SRCDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/src
170 TERMUX_PKG_TMPDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/tmp
171 TERMUX_PKG_HOSTBUILD_DIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/host-build
172 TERMUX_PKG_PLATFORM_INDEPENDENT=""
173 TERMUX_PKG_NO_DEVELSPLIT=""
174 TERMUX_PKG_BUILD_REVISION="0" # http://www.debian.org/doc/debian-policy/ch-controlfields.html#s-f-Version
175 TERMUX_PKG_EXTRA_CONFIGURE_ARGS=""
176 TERMUX_PKG_EXTRA_HOSTBUILD_CONFIGURE_ARGS=""
177 TERMUX_PKG_EXTRA_MAKE_ARGS=""
178 TERMUX_PKG_BUILD_IN_SRC=""
179 TERMUX_PKG_RM_AFTER_INSTALL=""
180 TERMUX_PKG_DEPENDS=""
181 TERMUX_PKG_HOMEPAGE=""
182 TERMUX_PKG_DESCRIPTION="FIXME:Add description"
183 TERMUX_PKG_FOLDERNAME=""
184 TERMUX_PKG_KEEP_STATIC_LIBRARIES="false"
185 TERMUX_PKG_KEEP_HEADER_FILES="false"
186 TERMUX_PKG_ESSENTIAL=""
187 TERMUX_PKG_CONFLICTS="" # https://www.debian.org/doc/debian-policy/ch-relationships.html#s-conflicts
188 TERMUX_PKG_CONFFILES=""
189 TERMUX_PKG_INCLUDE_IN_DEVPACKAGE=""
190 # Set if a host build should be done in TERMUX_PKG_HOSTBUILD_DIR:
191 TERMUX_PKG_HOSTBUILD=""
192 TERMUX_PKG_MAINTAINER="Fredrik Fornwall <fredrik@fornwall.net>"
193
194 # Cleanup old state
195 rm -Rf   $TERMUX_PKG_BUILDDIR $TERMUX_PKG_PACKAGEDIR $TERMUX_PKG_SRCDIR $TERMUX_PKG_TMPDIR $TERMUX_PKG_MASSAGEDIR
196
197 # If $TERMUX_PREFIX already exists, it may have been built for a different arch
198 TERMUX_ARCH_FILE=/data/TERMUX_ARCH
199 if [ -f "${TERMUX_ARCH_FILE}" ]; then
200         TERMUX_PREVIOUS_ARCH=`cat $TERMUX_ARCH_FILE`
201         if [ $TERMUX_PREVIOUS_ARCH != $TERMUX_ARCH ]; then
202                 TERMUX_DATA_BACKUPDIRS=$TERMUX_TOPDIR/_databackups
203                 mkdir -p $TERMUX_DATA_BACKUPDIRS
204                 TERMUX_DATA_PREVIOUS_BACKUPDIR=$TERMUX_DATA_BACKUPDIRS/$TERMUX_PREVIOUS_ARCH
205                 TERMUX_DATA_CURRENT_BACKUPDIR=$TERMUX_DATA_BACKUPDIRS/$TERMUX_ARCH
206                 echo "NOTE: Different archs - building for $TERMUX_ARCH, but current $TERMUX_PREVIOUS_ARCH"
207                 echo "      Saving current /data/data to $TERMUX_DATA_PREVIOUS_BACKUPDIR"
208                 # Save current /data (removing old backup if any)
209                 if test -e $TERMUX_DATA_PREVIOUS_BACKUPDIR; then
210                         echo "ERROR: Directory already exists"
211                         exit 1
212                 fi
213                 mv /data/data $TERMUX_DATA_PREVIOUS_BACKUPDIR
214                 # Restore new one (if any)
215                 if [ -d $TERMUX_DATA_CURRENT_BACKUPDIR ]; then
216                         echo "      Restoring old backupdir from $TERMUX_DATA_CURRENT_BACKUPDIR"
217                         mv $TERMUX_DATA_CURRENT_BACKUPDIR /data/data
218                 fi
219         fi
220 fi
221 echo $TERMUX_ARCH > $TERMUX_ARCH_FILE
222
223 # Ensure folders present (but not $TERMUX_PKG_SRCDIR, it will be created in build)
224 mkdir -p $TERMUX_PKG_BUILDDIR $TERMUX_PKG_PACKAGEDIR $TERMUX_PKG_TMPDIR $TERMUX_PKG_CACHEDIR $TERMUX_PKG_MASSAGEDIR $PKG_CONFIG_LIBDIR $TERMUX_PREFIX/{bin,etc,lib,libexec,share,tmp,include}
225
226 # Make $TERMUX_PREFIX/bin/sh executable on the builder, so that build script can assume that it works
227 # on both builder and host later on:
228 ln -f -s /bin/sh $TERMUX_PREFIX/bin/sh
229
230 if [ ! -f $PKG_CONFIG ]; then
231         echo "Creating pkg-config wrapper..."
232         # We use path to host pkg-config to avoid picking up a cross-compiled pkg-config later on
233         _HOST_PKGCONFIG=`which pkg-config`
234         mkdir -p $TERMUX_STANDALONE_TOOLCHAIN/bin $PKG_CONFIG_LIBDIR
235         cat > $PKG_CONFIG <<HERE
236 #!/bin/sh
237 export PKG_CONFIG_DIR=
238 export PKG_CONFIG_LIBDIR=$PKG_CONFIG_LIBDIR
239 # export PKG_CONFIG_SYSROOT_DIR=${TERMUX_PREFIX}
240 exec $_HOST_PKGCONFIG "\$@"
241 HERE
242         chmod +x $PKG_CONFIG
243
244         # Add a pkg-config file for the system zlib
245         cat > $PKG_CONFIG_LIBDIR/zlib.pc <<HERE
246 Name: zlib
247 Description: zlib compression library
248 Version: 1.2.3
249
250 Requires:
251 Libs: -L$TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/lib -lz
252 Cflags: -I$TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/include
253 HERE
254 fi
255
256 TERMUX_ELF_CLEANER=$TERMUX_COMMON_CACHEDIR/termux-elf-cleaner
257 TERMUX_ELF_CLEANER_SRC=$TERMUX_SCRIPTDIR/packages/termux-tools/termux-elf-cleaner.cpp
258 if [ $TERMUX_ELF_CLEANER_SRC -nt $TERMUX_ELF_CLEANER ]; then
259         g++ -std=c++11 -Wall -Wextra -pedantic -Os $TERMUX_ELF_CLEANER_SRC -o $TERMUX_ELF_CLEANER
260 fi
261
262 # Keep track of when build started so we can see what files have been created
263 export TERMUX_BUILD_TS_FILE=$TERMUX_PKG_TMPDIR/timestamp_$TERMUX_PKG_NAME
264 sleep 1 # Sleep so that any generated files above (such as zlib.c and $PREFIX/bin/sh)
265         #get older timestamp then TERMUX_BUILD_TS_FILE
266 rm -f $TERMUX_BUILD_TS_FILE && touch $TERMUX_BUILD_TS_FILE
267
268 # Run just after sourcing $TERMUX_PKG_BUILDER_SCRIPT
269 termux_step_extract_package () {
270         if [ -z "${TERMUX_PKG_SRCURL:=""}" ]; then
271                 mkdir -p $TERMUX_PKG_SRCDIR
272                 return
273         fi
274         cd $TERMUX_PKG_TMPDIR
275         filename=`basename $TERMUX_PKG_SRCURL`
276         file=$TERMUX_PKG_CACHEDIR/$filename
277         # Set "TERMUX_PKG_NO_SRC_CACHE=yes" in package to never cache packages, such as in git builds:
278         test -n ${TERMUX_PKG_NO_SRC_CACHE-""} -o ! -f $file && curl --retry 3 -o $file -L $TERMUX_PKG_SRCURL
279         if [ "x$TERMUX_PKG_FOLDERNAME" = "x" ]; then
280                 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`
281                 folder=`echo $folder | sed 's/_/-/'` # dpkg uses _ in tar filename, but - in folder
282         else
283                 folder=$TERMUX_PKG_FOLDERNAME
284         fi
285         rm -Rf $folder
286         if [ ${file##*.} = zip ]; then
287                 unzip $file
288         else
289                 $TERMUX_TAR xf $file
290         fi
291         mv $folder $TERMUX_PKG_SRCDIR
292 }
293
294 termux_step_post_extract_package () {
295         return
296 }
297
298 # Perform a host build. Will be called in $TERMUX_PKG_HOSTBUILD_DIR.
299 # After termux_step_post_extract_package() and before termux_step_patch_package()
300 termux_step_host_build () {
301         $TERMUX_PKG_SRCDIR/configure ${TERMUX_PKG_EXTRA_HOSTBUILD_CONFIGURE_ARGS}
302         make
303 }
304
305 # This should not be overridden
306 termux_step_patch_package () {
307         cd $TERMUX_PKG_SRCDIR
308         # Suffix patch with ".patch32" or ".patch64" to only apply for these bitnesses:
309         for patch in $TERMUX_PKG_BUILDER_DIR/*.patch{$TERMUX_ARCH_BITS,}; do
310                 test -f $patch && sed "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" $patch | patch -p1
311         done
312
313         find . -name config.sub -exec chmod u+w '{}' \; -exec cp $TERMUX_COMMON_CACHEDIR/config.sub '{}' \;
314         find . -name config.guess -exec chmod u+w '{}' \; -exec cp $TERMUX_COMMON_CACHEDIR/config.guess '{}' \;
315 }
316
317 termux_step_pre_configure () {
318         return
319 }
320
321 termux_step_configure () {
322         if [ ! -e $TERMUX_PKG_SRCDIR/configure ]; then
323                 return
324         fi
325
326         DISABLE_STATIC="--disable-static"
327         if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--enable-static/}" ]; then
328                 # Do not --disable-static if package explicitly enables it (e.g. gdb needs enable-static to build)
329                 DISABLE_STATIC=""
330         fi
331
332         DISABLE_NLS="--disable-nls"
333         if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--enable-nls/}" ]; then
334                 # Do not --disable-nls if package explicitly enables it (for gettext itself)
335                 DISABLE_NLS=""
336         fi
337
338         ENABLE_SHARED="--enable-shared"
339         if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--disable-shared/}" ]; then
340                 ENABLE_SHARED=""
341         fi
342         HOST_FLAG="--host=$TERMUX_HOST_PLATFORM"
343         if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--host=/}" ]; then
344                 HOST_FLAG=""
345         fi
346
347         # Some packages provides a $PKG-config script which some configure scripts pickup instead of pkg-config:
348         mkdir $TERMUX_PKG_TMPDIR/config-scripts
349         for f in $TERMUX_PREFIX/bin/*config; do
350                 test -f $f && cp $f $TERMUX_PKG_TMPDIR/config-scripts
351         done
352         set +e +o pipefail
353         find $TERMUX_PKG_TMPDIR/config-scripts | xargs file | grep -F " script" | cut -f 1 -d : | xargs sed -i -E "s@^#\!/system/bin/sh@#\!/bin/sh@"
354         set -e -o pipefail
355         export PATH=$TERMUX_PKG_TMPDIR/config-scripts:$PATH
356
357         # See http://wiki.buici.com/xwiki/bin/view/Programing+C+and+C%2B%2B/Autoconf+and+RPL_MALLOC
358         # about this problem which may cause linker errors in test scripts not undef:ing malloc and
359         # also cause problems with e.g. malloc interceptors such as libgc:
360         local AVOID_AUTOCONF_WRAPPERS="ac_cv_func_malloc_0_nonnull=yes ac_cv_func_realloc_0_nonnull=yes"
361         # Similarly, disable gnulib's rpl_getcwd(). It returns the wrong value, affecting zile. See
362         # <https://github.com/termux/termux-packages/issues/76>.
363         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"
364         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"
365         # Remove rpl_gettimeofday reference when building at least coreutils:
366         AVOID_AUTOCONF_WRAPPERS+=" gl_cv_func_tzset_clobber=no gl_cv_func_gettimeofday_clobber=no gl_cv_func_gettimeofday_posix_signature=yes"
367
368         env $AVOID_AUTOCONF_WRAPPERS $TERMUX_PKG_SRCDIR/configure \
369                 --disable-dependency-tracking \
370                 --prefix=$TERMUX_PREFIX \
371                 --disable-rpath --disable-rpath-hack \
372                 $HOST_FLAG \
373                 $TERMUX_PKG_EXTRA_CONFIGURE_ARGS \
374                 $DISABLE_NLS \
375                 $ENABLE_SHARED \
376                 $DISABLE_STATIC \
377                 --libexecdir=$TERMUX_PREFIX/libexec
378 }
379
380 termux_step_post_configure () {
381         return
382 }
383
384 termux_step_pre_make () {
385         return
386 }
387
388 termux_step_make () {
389         if ls *akefile &> /dev/null; then
390                 if [ -z "$TERMUX_PKG_EXTRA_MAKE_ARGS" ]; then
391                         make -j $TERMUX_MAKE_PROCESSES
392                 else
393                         make -j $TERMUX_MAKE_PROCESSES ${TERMUX_PKG_EXTRA_MAKE_ARGS}
394                 fi
395         fi
396 }
397
398 termux_step_make_install () {
399         if ls *akefile &> /dev/null; then
400                 : ${TERMUX_PKG_MAKE_INSTALL_TARGET:="install"}:
401                 # Some packages have problem with parallell install, and it does not buy much, so use -j 1.
402                 if [ -z "$TERMUX_PKG_EXTRA_MAKE_ARGS" ]; then
403                         make -j 1 ${TERMUX_PKG_MAKE_INSTALL_TARGET}
404                 else
405                         make -j 1 ${TERMUX_PKG_EXTRA_MAKE_ARGS} ${TERMUX_PKG_MAKE_INSTALL_TARGET}
406                 fi
407         fi
408 }
409
410 termux_step_post_make_install () {
411         return
412 }
413
414 termux_step_extract_into_massagedir () {
415         TARBALL_ORIG=$TERMUX_PKG_PACKAGEDIR/${TERMUX_PKG_NAME}_orig.tar.gz
416
417         # Build diff tar with what has changed during the build:
418         cd $TERMUX_PREFIX
419         $TERMUX_TAR -N $TERMUX_BUILD_TS_FILE -czf $TARBALL_ORIG .
420
421         # Extract tar in order to massage it
422         mkdir -p $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX
423         cd $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX
424         $TERMUX_TAR xf $TARBALL_ORIG
425 }
426
427 termux_step_massage () {
428         cd $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX
429
430         # Remove lib/charset.alias which is installed by gettext-using packages:
431         rm -f lib/charset.alias
432         # Remove non-english man pages:
433         test -d share/man && (cd share/man; for f in `ls | grep -v man`; do rm -Rf $f; done )
434         # Remove info pages and other docs:
435         rm -Rf share/info share/doc share/locale
436         # Remove old kept libraries (readline):
437         find . -name '*.old' -delete
438         # .. remove static libraries:
439         if [ $TERMUX_PKG_KEEP_STATIC_LIBRARIES = "false" ]; then
440                 find . -name '*.a' -delete
441                 find . -name '*.la' -delete
442         fi
443
444         # .. move over sbin to bin
445         for file in sbin/*; do if test -f $file; then mv $file bin/; fi; done
446
447         # file(1) may fail for certain unusual files, so disable pipefail
448         set +e +o pipefail
449         # Remove world permissions and add write permissions:
450         find . -exec chmod u+w,o-rwx \{\} \;
451         # .. strip binaries (setting them as writeable first)
452         if [ "$TERMUX_DEBUG" = "" ]; then
453                 find . -type f | xargs file | grep -E "(executable|shared object)" | grep ELF | cut -f 1 -d : | xargs $STRIP --strip-unneeded --preserve-dates -R '.gnu.version*'
454         fi
455         # Fix shebang paths:
456         for file in `find . -type f`; do
457                 head -c 100 $file | grep -E "^#\!.*\\/bin\\/.*" | grep -q -E -v "^#\! ?\\/system" && sed --follow-symlinks -i -E "s@^#\!(.*)/bin/(.*)@#\!$TERMUX_PREFIX/bin/\2@" $file
458         done
459         set -e -o pipefail
460         # Remove DT_ entries which the android 5.1 linker warns about:
461         if [ "$TERMUX_DEBUG" = "" ]; then
462                 find . -type f -print0 | xargs -0 $TERMUX_ELF_CLEANER
463         fi
464
465         test ! -z "$TERMUX_PKG_RM_AFTER_INSTALL" && rm -Rf $TERMUX_PKG_RM_AFTER_INSTALL
466
467         find . -type d -empty -delete # Remove empty directories
468
469         # Sub packages:
470         if [ -d include -a -z "${TERMUX_PKG_NO_DEVELSPLIT}" ]; then
471                 # Add virtual -dev sub package if there are include files:
472                 _DEVEL_SUBPACKAGE_FILE=$TERMUX_PKG_TMPDIR/${TERMUX_PKG_NAME}-dev.subpackage.sh
473                 echo TERMUX_SUBPKG_INCLUDE=\"include share/man/man3 lib/pkgconfig share/aclocal $TERMUX_PKG_INCLUDE_IN_DEVPACKAGE\" > $_DEVEL_SUBPACKAGE_FILE
474                 echo TERMUX_SUBPKG_DESCRIPTION=\"Development files for ${TERMUX_PKG_NAME}\" >> $_DEVEL_SUBPACKAGE_FILE
475                 echo TERMUX_SUBPKG_DEPENDS=\"$TERMUX_PKG_NAME\" >> $_DEVEL_SUBPACKAGE_FILE
476                 if [ x$TERMUX_PKG_CONFLICTS != x ]; then
477                         # Assume that dev packages conflicts as well.
478                         echo "TERMUX_SUBPKG_CONFLICTS=${TERMUX_PKG_CONFLICTS}-dev" >> $_DEVEL_SUBPACKAGE_FILE
479                 fi
480         fi
481         # Now build all sub packages
482         rm -Rf $TERMUX_TOPDIR/$TERMUX_PKG_NAME/subpackages
483         for subpackage in $TERMUX_PKG_BUILDER_DIR/*.subpackage.sh $TERMUX_PKG_TMPDIR/*subpackage.sh; do
484                 test ! -f $subpackage && continue
485                 SUB_PKG_NAME=`basename $subpackage .subpackage.sh`
486                 # Default value is same as main package, but sub package may override:
487                 TERMUX_SUBPKG_PLATFORM_INDEPENDENT=$TERMUX_PKG_PLATFORM_INDEPENDENT
488                 echo "$SUB_PKG_NAME => $subpackage"
489                 SUB_PKG_DIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/subpackages/$SUB_PKG_NAME
490                 TERMUX_SUBPKG_DEPENDS=""
491                 TERMUX_SUBPKG_CONFLICTS=""
492                 SUB_PKG_MASSAGE_DIR=$SUB_PKG_DIR/massage/$TERMUX_PREFIX
493                 SUB_PKG_PACKAGE_DIR=$SUB_PKG_DIR/package
494                 mkdir -p $SUB_PKG_MASSAGE_DIR $SUB_PKG_PACKAGE_DIR
495
496                 . $subpackage
497
498                 for includeset in $TERMUX_SUBPKG_INCLUDE; do
499                         _INCLUDE_DIRSET=`dirname $includeset`
500                         test "$_INCLUDE_DIRSET" = "." && _INCLUDE_DIRSET=""
501                         if [ -e $includeset ]; then
502                                 mkdir -p $SUB_PKG_MASSAGE_DIR/$_INCLUDE_DIRSET
503                                 mv $includeset $SUB_PKG_MASSAGE_DIR/$_INCLUDE_DIRSET
504                         fi
505                 done
506
507                 SUB_PKG_ARCH=$TERMUX_ARCH
508                 test -n "$TERMUX_SUBPKG_PLATFORM_INDEPENDENT" && SUB_PKG_ARCH=all
509
510                 cd $SUB_PKG_DIR/massage
511                 SUB_PKG_INSTALLSIZE=`du -sk . | cut -f 1`
512                 $TERMUX_TAR -cJf $SUB_PKG_PACKAGE_DIR/data.tar.xz .
513
514                 mkdir -p DEBIAN
515                 cd DEBIAN
516                 cat > control <<HERE
517 Package: $SUB_PKG_NAME
518 Architecture: ${SUB_PKG_ARCH}
519 Installed-Size: ${SUB_PKG_INSTALLSIZE}
520 Maintainer: $TERMUX_PKG_MAINTAINER
521 Version: $TERMUX_PKG_FULLVERSION
522 Description: $TERMUX_SUBPKG_DESCRIPTION
523 Homepage: $TERMUX_PKG_HOMEPAGE
524 HERE
525                 test ! -z "$TERMUX_SUBPKG_DEPENDS" && echo "Depends: $TERMUX_SUBPKG_DEPENDS" >> control
526                 test ! -z "$TERMUX_SUBPKG_CONFLICTS" && echo "Conflicts: $TERMUX_SUBPKG_CONFLICTS" >> control
527                 $TERMUX_TAR -cJf $SUB_PKG_PACKAGE_DIR/control.tar.xz .
528
529                 # Create the actual .deb file:
530                 TERMUX_SUBPKG_DEBFILE=$TERMUX_COMMON_DEBDIR/${SUB_PKG_NAME}_${TERMUX_PKG_FULLVERSION}_${SUB_PKG_ARCH}.deb
531                 ar cr $TERMUX_SUBPKG_DEBFILE \
532                                    $TERMUX_COMMON_CACHEDIR/debian-binary \
533                                    $SUB_PKG_PACKAGE_DIR/control.tar.xz \
534                                    $SUB_PKG_PACKAGE_DIR/data.tar.xz
535                 if [ "$TERMUX_PROCESS_DEB" != "" ]; then
536                         $TERMUX_PROCESS_DEB $TERMUX_SUBPKG_DEBFILE
537                 fi
538
539                 # Go back to main package:
540                 cd $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX
541         done
542
543         # .. remove empty directories (NOTE: keep this last):
544         find . -type d -empty -delete
545         # Make sure user can read and write all files (problem with dpkg otherwise):
546         chmod -R u+rw .
547 }
548
549 termux_step_post_massage () {
550         return
551 }
552
553 termux_step_create_debscripts () {
554         return
555 }
556
557 termux_setup_golang () {
558         export GOOS=android
559         export CGO_ENABLED=1
560         export GO_LDFLAGS="-extldflags=-pie"
561         if [ "$TERMUX_ARCH" = "arm" ]; then
562                 export GOARCH=arm
563                 export GOARM=7
564         elif [ "$TERMUX_ARCH" = "i686" ]; then
565                 export GOARCH=386
566                 export GO386=sse2
567         elif [ "$TERMUX_ARCH" = "aarch64" ]; then
568                 export GOARCH=arm64
569         elif [ "$TERMUX_ARCH" = "x86_64" ]; then
570                 export GOARCH=amd64
571         else
572                 echo "ERROR: Unsupported arch: $TERMUX_ARCH"
573                 exit 1
574         fi
575
576         local TERMUX_GO_VERSION=go1.6
577         local TERMUX_GO_PLATFORM=linux-amd64
578         test `uname` = "Darwin" && TERMUX_GO_PLATFORM=darwin-amd64
579
580         export TERMUX_BUILDGO_FOLDER=$TERMUX_COMMON_CACHEDIR/${TERMUX_GO_VERSION}.${TERMUX_GO_PLATFORM}
581         export GOROOT=$TERMUX_BUILDGO_FOLDER
582         export PATH=$GOROOT/bin:$PATH
583
584         if [ -d $TERMUX_BUILDGO_FOLDER ]; then return; fi
585
586         local TERMUX_BUILDGO_TAR=$TERMUX_COMMON_CACHEDIR/${TERMUX_GO_VERSION}.${TERMUX_GO_PLATFORM}.tar.gz
587         rm -Rf $TERMUX_COMMON_CACHEDIR/go $TERMUX_BUILDGO_FOLDER
588         curl -o $TERMUX_BUILDGO_TAR https://storage.googleapis.com/golang/${TERMUX_GO_VERSION}.${TERMUX_GO_PLATFORM}.tar.gz
589         ( cd $TERMUX_COMMON_CACHEDIR; tar xf $TERMUX_BUILDGO_TAR; mv go $TERMUX_BUILDGO_FOLDER; rm $TERMUX_BUILDGO_TAR )
590 }
591
592 source $TERMUX_PKG_BUILDER_SCRIPT
593
594 # Compute full version:
595 TERMUX_PKG_FULLVERSION=$TERMUX_PKG_VERSION
596 if [ "$TERMUX_PKG_BUILD_REVISION" != "0" -o "$TERMUX_PKG_FULLVERSION" != "${TERMUX_PKG_FULLVERSION/-/}" ]; then
597         # "0" is the default revision, so only include it if the upstream versions contains "-" itself
598         TERMUX_PKG_FULLVERSION+="-$TERMUX_PKG_BUILD_REVISION"
599 fi
600
601 # Start by extracting the package src into $TERMUX_PKG_SRCURL:
602 termux_step_extract_package
603 # Optional post processing:
604 termux_step_post_extract_package
605
606 # Optional host build:
607 if [ "x$TERMUX_PKG_HOSTBUILD" != "x" ]; then
608         cd $TERMUX_PKG_SRCDIR
609         for patch in $TERMUX_PKG_BUILDER_DIR/*.patch.beforehostbuild; do
610                 test -f $patch && sed "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" $patch | patch -p1
611         done
612
613         if [ -f "$TERMUX_PKG_HOSTBUILD_DIR/TERMUX_BUILT_FOR_$TERMUX_PKG_VERSION" ]; then
614                 echo "Using already built host build"
615         else
616                 mkdir -p $TERMUX_PKG_HOSTBUILD_DIR      
617                 cd $TERMUX_PKG_HOSTBUILD_DIR
618
619                 ORIG_AR=$AR; unset AR
620                 ORIG_AS=$AS; unset AS
621                 ORIG_CC=$CC; unset CC
622                 ORIG_CXX=$CXX; unset CXX
623                 ORIG_CPP=$CPP; unset CPP
624                 ORIG_CFLAGS=$CFLAGS; unset CFLAGS
625                 ORIG_CPPFLAGS=$CPPFLAGS; unset CPPFLAGS
626                 ORIG_CXXFLAGS=$CXXFLAGS; unset CXXFLAGS
627                 ORIG_LDFLAGS=$LDFLAGS; unset LDFLAGS
628                 ORIG_RANLIB=$RANLIB; unset RANLIB
629                 ORIG_LD=$LD; unset LD
630                 ORIG_PKG_CONFIG=$PKG_CONFIG; unset PKG_CONFIG
631                 ORIG_PKG_CONFIG_LIBDIR=$PKG_CONFIG_LIBDIR; unset PKG_CONFIG_LIBDIR
632                 ORIG_STRIP=$STRIP; unset STRIP
633
634                 termux_step_host_build
635                 touch $TERMUX_PKG_HOSTBUILD_DIR/TERMUX_BUILT_FOR_$TERMUX_PKG_VERSION
636
637                 export AR=$ORIG_AR
638                 export AS=$ORIG_AS
639                 export CC=$ORIG_CC
640                 export CXX=$ORIG_CXX
641                 export CPP=$ORIG_CPP
642                 export CFLAGS=$ORIG_CFLAGS
643                 export CPPFLAGS=$ORIG_CPPFLAGS
644                 export CXXFLAGS=$ORIG_CXXFLAGS
645                 export LDFLAGS=$ORIG_LDFLAGS
646                 export RANLIB=$ORIG_RANLIB
647                 export LD=$ORIG_LD
648                 export PKG_CONFIG=$ORIG_PKG_CONFIG
649                 export PKG_CONFIG_LIBDIR=$ORIG_PKG_CONFIG_LIBDIR
650                 export STRIP=$ORIG_STRIP
651         fi
652 fi
653
654 if [ "$TERMUX_PKG_DEPENDS" != "${TERMUX_PKG_DEPENDS/libandroid-support/}" ]; then
655         # If using the android support library, link to it and include its headers as system headers:
656         export CPPFLAGS="$CPPFLAGS -isystem $TERMUX_PREFIX/include/libandroid-support"
657         export LDFLAGS="$LDFLAGS -landroid-support"
658 fi
659
660 if [ -n "$TERMUX_PKG_BUILD_IN_SRC" ]; then
661         echo "Building in src due to TERMUX_PKG_BUILD_IN_SRC being set" >> $TERMUX_PKG_BUILDDIR/BUILDING_IN_SRC.txt
662         TERMUX_PKG_BUILDDIR=$TERMUX_PKG_SRCDIR
663 fi
664
665 cd $TERMUX_PKG_BUILDDIR
666 termux_step_patch_package
667 cd $TERMUX_PKG_BUILDDIR
668 termux_step_pre_configure
669 cd $TERMUX_PKG_BUILDDIR
670 termux_step_configure
671 cd $TERMUX_PKG_BUILDDIR
672 termux_step_post_configure
673 cd $TERMUX_PKG_BUILDDIR
674 termux_step_pre_make
675 cd $TERMUX_PKG_BUILDDIR
676 termux_step_make
677 cd $TERMUX_PKG_BUILDDIR
678 termux_step_make_install
679 cd $TERMUX_PKG_BUILDDIR
680 termux_step_post_make_install
681 cd $TERMUX_PKG_MASSAGEDIR
682 termux_step_extract_into_massagedir
683 cd $TERMUX_PKG_MASSAGEDIR
684 termux_step_massage
685 cd $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX
686 termux_step_post_massage
687
688 # Create data tarball containing files to package:
689 cd $TERMUX_PKG_MASSAGEDIR
690 if [ "`find . -type f`" = "" ]; then
691         echo "ERROR: No files in package"
692         exit 1
693 fi
694 $TERMUX_TAR -cJf $TERMUX_PKG_PACKAGEDIR/data.tar.xz .
695
696 # Get install size. This will be written as the "Installed-Size" deb field so is measured in 1024-byte blocks:
697 TERMUX_PKG_INSTALLSIZE=`du -sk . | cut -f 1`
698
699 # Create deb package:
700 # NOTE: From here on TERMUX_ARCH is set to "all" if TERMUX_PKG_PLATFORM_INDEPENDENT is set by the package
701 test -n "$TERMUX_PKG_PLATFORM_INDEPENDENT" && TERMUX_ARCH=all
702
703 cd $TERMUX_PKG_MASSAGEDIR
704
705 mkdir -p DEBIAN
706 cat > DEBIAN/control <<HERE
707 Package: $TERMUX_PKG_NAME
708 Architecture: ${TERMUX_ARCH}
709 Installed-Size: ${TERMUX_PKG_INSTALLSIZE}
710 Maintainer: $TERMUX_PKG_MAINTAINER
711 Version: $TERMUX_PKG_FULLVERSION
712 Description: $TERMUX_PKG_DESCRIPTION
713 Homepage: $TERMUX_PKG_HOMEPAGE
714 HERE
715 test ! -z "$TERMUX_PKG_DEPENDS" && echo "Depends: $TERMUX_PKG_DEPENDS" >> DEBIAN/control
716 test ! -z "$TERMUX_PKG_ESSENTIAL" && echo "Essential: yes" >> DEBIAN/control
717 test ! -z "$TERMUX_PKG_CONFLICTS" && echo "Conflicts: $TERMUX_PKG_CONFLICTS" >> DEBIAN/control
718
719 # Create DEBIAN/conffiles (see https://www.debian.org/doc/debian-policy/ap-pkg-conffiles.html):
720 for f in $TERMUX_PKG_CONFFILES; do echo $TERMUX_PREFIX/$f >> DEBIAN/conffiles; done
721 # Allow packages to create arbitrary control files:
722 cd DEBIAN
723 termux_step_create_debscripts
724
725 # Create control.tar.xz
726 $TERMUX_TAR -cJf $TERMUX_PKG_PACKAGEDIR/control.tar.xz .
727 # In the .deb ar file there should be a file "debian-binary" with "2.0" as the content:
728 TERMUX_PKG_DEBFILE=$TERMUX_COMMON_DEBDIR/${TERMUX_PKG_NAME}_${TERMUX_PKG_FULLVERSION}_${TERMUX_ARCH}.deb
729 # Create the actual .deb file:
730 ar cr $TERMUX_PKG_DEBFILE \
731                    $TERMUX_COMMON_CACHEDIR/debian-binary \
732                    $TERMUX_PKG_PACKAGEDIR/control.tar.xz \
733                    $TERMUX_PKG_PACKAGEDIR/data.tar.xz
734
735 if [ "$TERMUX_PROCESS_DEB" != "" ]; then
736         $TERMUX_PROCESS_DEB $TERMUX_PKG_DEBFILE
737 fi
738
739 echo "termux - build of '$1' done"
740 test -t 1 && printf "\033]0;$1 - DONE\007"
741 exit 0