build.sh

   1 #!/bin/bash
   2 #
   3 # This script installs the required build-time dependencies
   4 # and builds AppImage
   5 #
   6
   7 small_FLAGS="-Os -ffunction-sections -fdata-sections"
   8 small_LDFLAGS="-s -Wl,--gc-sections"
   9 CC="cc -O2 -Wall -Wno-deprecated-declarations -Wno-unused-result"
  10
  11 STRIP="strip"
  12 INSTALL_DEPENDENCIES=1
  13 STATIC_BUILD=1
  14 JOBS=${JOBS:-1}
  15
  16 while [ $1 ]; do
  17   case $1 in
  18     '--debug' | '-d' )
  19       STRIP="true"
  20       ;;
  21     '--no-dependencies' | '-n' )
  22       INSTALL_DEPENDENCIES=0
  23       ;;
  24     '--use-shared-libs' | '-s' )
  25       STATIC_BUILD=0
  26       ;;
  27     '--clean' | '-c' )
  28       rm -rf build
  29       git clean -df
  30       rm -rf squashfuse/* squashfuse/.git
  31       rm -rf squashfs-tools/* squashfs-tools/.git
  32       exit
  33       ;;
  34     '--help' | '-h' )
  35       echo 'Usage: ./build.sh [OPTIONS]'
  36       echo
  37       echo 'OPTIONS:'
  38       echo '  -h, --help: Show this help screen'
  39       echo '  -d, --debug: Build with debug info.'
  40       echo '  -n, --no-dependencies: Do not try to install distro specific build dependencies.'
  41       echo '  -s, --use-shared-libs: Use distro provided shared versions of inotify-tools and openssl.'
  42       echo '  -c, --clean: Clean all artifacts generated by the build.'
  43       exit
  44       ;;
  45   esac
  46
  47   shift
  48 done
  49
  50 echo $KEY | md5sum
  51
  52 set -e
  53 set -x
  54
  55 HERE="$(dirname "$(readlink -f "${0}")")"
  56 cd "$HERE"
  57
  58 # Install dependencies if enabled
  59 if [ $INSTALL_DEPENDENCIES -eq 1 ]; then
  60   . ./install-build-deps.sh
  61 fi
  62
  63 # Fetch git submodules
  64 git submodule init
  65 git submodule update
  66
  67 # Clean up from previous run
  68 rm -rf build/ || true
  69
  70 # Build static libraries
  71 if [ $STATIC_BUILD -eq 1 ]; then
  72   # Build inotify-tools
  73   if [ ! -e "./inotify-tools-3.14/build/lib/libinotifytools.a" ] ; then
  74     if [ ! -e "./inotify-tools-3.14/src" ] ; then
  75       wget -c http://github.com/downloads/rvoicilas/inotify-tools/inotify-tools-3.14.tar.gz
  76       tar xf inotify-tools-3.14.tar.gz
  77       # Pull the latest `configure` scripts to handle newer platforms.
  78       wget "http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD" \
  79            --output-document=inotify-tools-3.14/config.guess
  80       wget "http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD" \
  81              --output-document=inotify-tools-3.14/config.sub
  82     fi
  83     cd inotify-tools-3.14
  84     mkdir -p build/lib
  85     ./configure --prefix=$(pwd)/build --libdir=$(pwd)/build/lib --enable-shared --enable-static  # disabling shared leads to linking errors?
  86     make -j$JOBS
  87     make install
  88     cd -
  89   fi
  90
  91   # Build openssl
  92   if [ ! -e "./openssl-1.1.0c/build/lib/libssl.a" ] ; then
  93     wget -c https://www.openssl.org/source/openssl-1.1.0c.tar.gz
  94     tar xf openssl-1.1.0c.tar.gz
  95     cd openssl-1.1.0c
  96     mkdir -p build/lib
  97     ./config --prefix=$(pwd)/build no-shared
  98     make -j$JOBS && make install PROCESS_PODS=''
  99     cd -
 100   fi
 101 fi
 102
 103 # Build lzma always static because the runtime gets distributed with
 104 # the generated .AppImage file.
 105 if [ ! -e "./xz-5.2.3/build/lib/liblzma.a" ] ; then
 106   wget -c http://tukaani.org/xz/xz-5.2.3.tar.gz
 107   tar xf xz-5.2.3.tar.gz
 108   cd xz-5.2.3
 109   mkdir -p build/lib
 110   CFLAGS="-Wall $small_FLAGS" ./configure --prefix=$(pwd)/build --libdir=$(pwd)/build/lib --enable-static --disable-shared
 111   make -j$JOBS && make install
 112   cd -
 113 fi
 114
 115 # Build libarchive
 116 if [ $STATIC_BUILD -eq 1 ] && [ ! -e "./libarchive-3.3.1/.libs/libarchive.a" ] ; then
 117   wget -c http://www.libarchive.org/downloads/libarchive-3.3.1.tar.gz
 118   tar xf libarchive-3.3.1.tar.gz
 119   cd libarchive-3.3.1
 120   mkdir -p build/lib
 121   ./configure --prefix=$PWD/build --libdir=$PWD/build/lib --disable-shared --enable-static \
 122       --disable-bsdtar --disable-bsdcat --disable-bsdcpio --with-zlib \
 123       --without-bz2lib --without-iconv --without-lz4 --without-lzma \
 124       --without-lzo2 --without-nettle --without-openssl --without-xml2 --without-expat
 125   make && make install
 126   cd -
 127 fi
 128
 129 # Patch squashfuse_ll to be a library rather than an executable
 130
 131 cd squashfuse
 132 if [ ! -e ./ll.c.orig ]; then
 133   patch -p1 --backup < ../squashfuse.patch
 134   patch -p1 --backup < ../squashfuse_dlopen.patch
 135 fi
 136 if [ ! -e ./squashfuse_dlopen.c ]; then
 137   cp ../squashfuse_dlopen.c .
 138 fi
 139 if [ ! -e ./squashfuse_dlopen.h ]; then
 140   cp ../squashfuse_dlopen.h .
 141 fi
 142
 143 # Build libsquashfuse_ll library
 144
 145 if [ ! -e ./Makefile ] ; then
 146   export ACLOCAL_FLAGS="-I /usr/share/aclocal"
 147   libtoolize --force
 148   aclocal
 149   autoheader
 150   automake --force-missing --add-missing
 151   autoreconf -fi || true # Errors out, but the following succeeds then?
 152   autoconf
 153   sed -i '/PKG_CHECK_MODULES.*/,/,:./d' configure # https://github.com/vasi/squashfuse/issues/12
 154   CFLAGS="-Wall $small_FLAGS" ./configure --disable-demo --disable-high-level --without-lzo --without-lz4 --with-xz=$(pwd)/../xz-5.2.3/build
 155
 156   # Patch Makefile to use static lzma
 157   sed -i "s|XZ_LIBS = -llzma  -L$(pwd)/../xz-5.2.3/build/lib|XZ_LIBS = -Bstatic -llzma  -L$(pwd)/../xz-5.2.3/build/lib|g" Makefile
 158 fi
 159
 160 bash --version
 161
 162 make -j$JOBS
 163
 164 cd ..
 165
 166 # Build mksquashfs with -offset option to skip n bytes
 167 # https://github.com/plougher/squashfs-tools/pull/13
 168 cd squashfs-tools/squashfs-tools
 169
 170 # Patch squashfuse-tools Makefile to link against static llzma
 171 sed -i "s|CFLAGS += -DXZ_SUPPORT|CFLAGS += -DXZ_SUPPORT -I../../xz-5.2.3/build/include|g" Makefile
 172 sed -i "s|LIBS += -llzma|LIBS += -Bstatic -llzma  -L../../xz-5.2.3/build/lib|g" Makefile
 173
 174 make -j$JOBS XZ_SUPPORT=1 mksquashfs # LZ4_SUPPORT=1 did not build yet on CentOS 6
 175 $STRIP mksquashfs
 176
 177 cd ../../
 178
 179 pwd
 180
 181 mkdir build
 182 cd build
 183
 184 cp ../squashfs-tools/squashfs-tools/mksquashfs .
 185
 186 # Compile runtime but do not link
 187
 188 $CC -DVERSION_NUMBER=\"$(git describe --tags --always --abbrev=7)\" -I../squashfuse/ -D_FILE_OFFSET_BITS=64 -g $small_FLAGS -c ../runtime.c
 189
 190 # Prepare 1024 bytes of space for updateinformation
 191 printf '\0%.0s' {0..1023} > 1024_blank_bytes
 192
 193 objcopy --add-section .upd_info=1024_blank_bytes \
 194         --set-section-flags .upd_info=noload,readonly runtime.o runtime2.o
 195
 196 objcopy --add-section .sha256_sig=1024_blank_bytes \
 197         --set-section-flags .sha256_sig=noload,readonly runtime2.o runtime3.o
 198
 199 # Now statically link against libsquashfuse_ll, libsquashfuse and liblzma
 200 # and embed .upd_info and .sha256_sig sections
 201 $CC $small_FLAGS $small_LDFLAGS -o runtime ../elf.c ../notify.c ../getsection.c runtime3.o \
 202     ../squashfuse/.libs/libsquashfuse_ll.a ../squashfuse/.libs/libsquashfuse.a ../squashfuse/.libs/libfuseprivate.a \
 203     -L../xz-5.2.3/build/lib -Wl,-Bdynamic -lpthread -lz -Wl,-Bstatic -llzma -Wl,-Bdynamic -ldl
 204 $STRIP runtime
 205
 206 # Test if we can read it back
 207 readelf -x .upd_info runtime # hexdump
 208 readelf -p .upd_info runtime || true # string
 209
 210 # The raw updateinformation data can be read out manually like this:
 211 HEXOFFSET=$(objdump -h runtime | grep .upd_info | awk '{print $6}')
 212 HEXLENGTH=$(objdump -h runtime | grep .upd_info | awk '{print $3}')
 213 dd bs=1 if=runtime skip=$(($(echo 0x$HEXOFFSET)+0)) count=$(($(echo 0x$HEXLENGTH)+0)) | xxd
 214
 215 # Insert AppImage magic bytes
 216
 217 printf '\x41\x49\x02' | dd of=runtime bs=1 seek=8 count=3 conv=notrunc
 218
 219 # Test if we can read it back
 220 readelf -x .upd_info runtime # hexdump
 221 readelf -p .upd_info runtime || true # string
 222
 223 # The raw updateinformation data can be read out manually like this:
 224 HEXOFFSET=$(objdump -h runtime | grep .upd_info | awk '{print $6}')
 225 HEXLENGTH=$(objdump -h runtime | grep .upd_info | awk '{print $3}')
 226 dd bs=1 if=runtime skip=$(($(echo 0x$HEXOFFSET)+0)) count=$(($(echo 0x$HEXLENGTH)+0)) | xxd
 227
 228 # Convert runtime into a data object that can be embedded into appimagetool
 229
 230 ld -r -b binary -o data.o runtime
 231
 232 xxd runtime | head -n 1
 233
 234 # Compile appimagetool but do not link - glib version
 235
 236 $CC -DVERSION_NUMBER=\"$(git describe --tags --always --abbrev=7)\" -D_FILE_OFFSET_BITS=64 -I../squashfuse/ \
 237     $(pkg-config --cflags glib-2.0) -g -Os ../getsection.c  -c ../appimagetool.c
 238
 239 # Now statically link against libsquashfuse - glib version
 240 if [ $STATIC_BUILD -eq 1 ]; then
 241   # statically link against liblzma
 242   $CC -o appimagetool data.o appimagetool.o ../elf.c ../getsection.c -DENABLE_BINRELOC ../binreloc.c \
 243     ../squashfuse/.libs/libsquashfuse.a ../squashfuse/.libs/libfuseprivate.a \
 244     -L../xz-5.2.3/build/lib \
 245     -Wl,-Bdynamic -ldl -lpthread \
 246     -Wl,--as-needed $(pkg-config --cflags --libs glib-2.0) -lz -Wl,-Bstatic -llzma -Wl,-Bdynamic
 247 else
 248   # dinamically link against distro provided liblzma
 249   $CC -o appimagetool data.o appimagetool.o ../elf.c ../getsection.c -DENABLE_BINRELOC ../binreloc.c \
 250     ../squashfuse/.libs/libsquashfuse.a ../squashfuse/.libs/libfuseprivate.a \
 251     -Wl,-Bdynamic -ldl -lpthread \
 252     -Wl,--as-needed $(pkg-config --cflags --libs glib-2.0) -lz -llzma
 253 fi
 254
 255 # Version without glib
 256 # cc -D_FILE_OFFSET_BITS=64 -I ../squashfuse -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -g -Os -c ../appimagetoolnoglib.c
 257 # cc data.o appimagetoolnoglib.o -DENABLE_BINRELOC ../binreloc.c ../squashfuse/.libs/libsquashfuse.a ../squashfuse/.libs/libfuseprivate.a -Wl,-Bdynamic -ldl -lpthread -lz -Wl,-Bstatic -llzma -Wl,-Bdynamic -o appimagetoolnoglib
 258
 259 # Compile and link digest tool
 260
 261 if [ $STATIC_BUILD -eq 1 ]; then
 262   $CC -o digest ../getsection.c ../digest.c -I../openssl-1.1.0c/build/include -L../openssl-1.1.0c/build/lib \
 263     -Wl,-Bstatic -lssl -lcrypto -Wl,-Bdynamic -lz -ldl
 264 else
 265   $CC -o digest ../getsection.c ../digest.c -Wl,-Bdynamic -lssl -lcrypto -lz -ldl
 266 fi
 267
 268 $STRIP digest
 269
 270 # Compile and link validate tool
 271
 272 if [ $STATIC_BUILD -eq 1 ]; then
 273   $CC -o validate ../getsection.c ../validate.c -I../openssl-1.1.0c/build/include -L../openssl-1.1.0c/build/lib \
 274     -Wl,-Bstatic -lssl -lcrypto -Wl,-Bdynamic -Wl,--as-needed $(pkg-config --cflags --libs glib-2.0) -lz -ldl
 275 else
 276   $CC -o validate ../getsection.c ../validate.c -Wl,-Bdynamic -lssl -lcrypto \
 277     -Wl,--as-needed $(pkg-config --cflags --libs glib-2.0) -lz -ldl
 278 fi
 279
 280 $STRIP validate
 281
 282 # AppRun
 283 $CC $small_FLAGS $small_LDFLAGS ../AppRun.c -o AppRun
 284
 285 # check for libarchive name
 286 have_libarchive3=0
 287 archive_n=
 288 if printf "#include <archive3.h>\nint main(){return 0;}" | cc -w -O0 -xc - -Wl,--no-as-needed -larchive3 2>/dev/null ; then
 289   have_libarchive3=1
 290   archive_n=3
 291 fi
 292 rm -f a.out
 293
 294 # appimaged, an optional component
 295 if [ $STATIC_BUILD -eq 1 ]; then
 296   $CC -std=gnu99 -o appimaged -I../squashfuse/ ../getsection.c ../notify.c ../elf.c ../appimaged.c \
 297     -D_FILE_OFFSET_BITS=64 -DHAVE_LIBARCHIVE3=0 -DVERSION_NUMBER=\"$(git describe --tags --always --abbrev=7)\" \
 298     ../squashfuse/.libs/libsquashfuse.a ../squashfuse/.libs/libfuseprivate.a \
 299     -I../openssl-1.1.0c/build/include -L../openssl-1.1.0c/build/lib -Wl,-Bstatic -lssl -lcrypto \
 300     -I../libarchive-3.3.1/libarchive ../libarchive-3.3.1/.libs/libarchive.a \
 301     -L../xz-5.2.3/build/lib -I../inotify-tools-3.14/build/include -L../inotify-tools-3.14/build/lib \
 302     -Wl,-Bstatic -linotifytools -Wl,-Bdynamic \
 303     -Wl,--as-needed \
 304     $(pkg-config --cflags --libs glib-2.0) \
 305     $(pkg-config --cflags --libs gio-2.0) \
 306     $(pkg-config --cflags --libs cairo) \
 307     -ldl -lpthread -lz -Wl,-Bstatic -llzma -Wl,-Bdynamic
 308 else
 309   $CC -std=gnu99 -o appimaged -I../squashfuse/ ../getsection.c ../notify.c ../elf.c ../appimaged.c \
 310     -D_FILE_OFFSET_BITS=64 -DHAVE_LIBARCHIVE3=$have_libarchive3 -DVERSION_NUMBER=\"$(git describe --tags --always --abbrev=7)\" \
 311     ../squashfuse/.libs/libsquashfuse.a ../squashfuse/.libs/libfuseprivate.a \
 312     -Wl,-Bdynamic -linotifytools -larchive${archive_n} \
 313     -Wl,--as-needed \
 314     $(pkg-config --cflags --libs glib-2.0) \
 315     $(pkg-config --cflags --libs gio-2.0) \
 316     $(pkg-config --cflags --libs cairo) \
 317     -ldl -lpthread -lz -llzma
 318 fi
 319
 320 cd ..
 321
 322 # Strip and check size and dependencies
 323
 324 rm build/*.o build/1024_blank_bytes
 325 $STRIP build/* 2>/dev/null
 326 chmod a+x build/*
 327 ls -lh build/*
 328 for FILE in $(ls build/*) ; do
 329   echo "$FILE"
 330   ldd "$FILE" || true
 331 done
 332
 333 bash -ex "$HERE/build-appdirs.sh"
 334
 335 ls -lh
 336
 337 mkdir -p out
 338 cp -r build/* ./*.AppDir out/