| #!/bin/bash |
| ## |
| ## configure.sh |
| ## |
| ## This script is sourced by the main configure script and contains |
| ## utility functions and other common bits that aren't strictly libvpx |
| ## related. |
| ## |
| ## This build system is based in part on the FFmpeg configure script. |
| ## |
| |
| |
| # |
| # Logging / Output Functions |
| # |
| die_unknown(){ |
| echo "Unknown option \"$1\"." |
| echo "See $0 --help for available options." |
| clean_temp_files |
| exit 1 |
| } |
| |
| |
| die() { |
| echo "$@" |
| echo |
| echo "Configuration failed. This could reflect a misconfiguration of your" |
| echo "toolchains, improper options selected, or another problem. If you" |
| echo "don't see any useful error messages above, the next step is to look" |
| echo "at the configure error log file ($logfile) to determine what" |
| echo "configure was trying to do when it died." |
| clean_temp_files |
| exit 1 |
| } |
| |
| |
| log(){ |
| echo "$@" >>$logfile |
| } |
| |
| |
| log_file(){ |
| log BEGIN $1 |
| pr -n -t $1 >>$logfile |
| log END $1 |
| } |
| |
| |
| log_echo() { |
| echo "$@" |
| log "$@" |
| } |
| |
| |
| fwrite () { |
| outfile=$1 |
| shift |
| echo "$@" >> ${outfile} |
| } |
| |
| |
| show_help_pre(){ |
| for opt in ${CMDLINE_SELECT}; do |
| opt2=`echo $opt | sed -e 's;_;-;g'` |
| if enabled $opt; then |
| eval "toggle_${opt}=\"--disable-${opt2}\"" |
| else |
| eval "toggle_${opt}=\"--enable-${opt2} \"" |
| fi |
| done |
| |
| cat <<EOF |
| Usage: configure [options] |
| Options: |
| |
| Build options: |
| --help print this message |
| --log=yes|no|FILE file configure log is written to [config.err] |
| --target=TARGET target platform tuple [generic-gnu] |
| --cpu=CPU optimize for a specific cpu rather than a family |
| --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS] |
| ${toggle_extra_warnings} emit harmless warnings (always non-fatal) |
| ${toggle_werror} treat warnings as errors, if possible |
| (not available with all compilers) |
| ${toggle_optimizations} turn on/off compiler optimization flags |
| ${toggle_pic} turn on/off Position Independent Code |
| ${toggle_ccache} turn on/off compiler cache |
| ${toggle_debug} enable/disable debug mode |
| ${toggle_gprof} enable/disable gprof profiling instrumentation |
| ${toggle_gcov} enable/disable gcov coverage instrumentation |
| |
| Install options: |
| ${toggle_install_docs} control whether docs are installed |
| ${toggle_install_bins} control whether binaries are installed |
| ${toggle_install_libs} control whether libraries are installed |
| ${toggle_install_srcs} control whether sources are installed |
| |
| |
| EOF |
| } |
| |
| |
| show_help_post(){ |
| cat <<EOF |
| |
| |
| NOTES: |
| Object files are built at the place where configure is launched. |
| |
| All boolean options can be negated. The default value is the opposite |
| of that shown above. If the option --disable-foo is listed, then |
| the default value for foo is enabled. |
| |
| Supported targets: |
| EOF |
| show_targets ${all_platforms} |
| echo |
| exit 1 |
| } |
| |
| |
| show_targets() { |
| while [ -n "$*" ]; do |
| if [ "${1%%-*}" = "${2%%-*}" ]; then |
| if [ "${2%%-*}" = "${3%%-*}" ]; then |
| printf " %-24s %-24s %-24s\n" "$1" "$2" "$3" |
| shift; shift; shift |
| else |
| printf " %-24s %-24s\n" "$1" "$2" |
| shift; shift |
| fi |
| else |
| printf " %-24s\n" "$1" |
| shift |
| fi |
| done |
| } |
| |
| |
| show_help() { |
| show_help_pre |
| show_help_post |
| } |
| |
| # |
| # List Processing Functions |
| # |
| set_all(){ |
| value=$1 |
| shift |
| for var in $*; do |
| eval $var=$value |
| done |
| } |
| |
| |
| is_in(){ |
| value=$1 |
| shift |
| for var in $*; do |
| [ $var = $value ] && return 0 |
| done |
| return 1 |
| } |
| |
| |
| add_cflags() { |
| CFLAGS="${CFLAGS} $@" |
| } |
| |
| |
| add_ldflags() { |
| LDFLAGS="${LDFLAGS} $@" |
| } |
| |
| |
| add_asflags() { |
| ASFLAGS="${ASFLAGS} $@" |
| } |
| |
| |
| add_extralibs() { |
| extralibs="${extralibs} $@" |
| } |
| |
| # |
| # Boolean Manipulation Functions |
| # |
| enable(){ |
| set_all yes $* |
| } |
| |
| disable(){ |
| set_all no $* |
| } |
| |
| enabled(){ |
| eval test "x\$$1" = "xyes" |
| } |
| |
| disabled(){ |
| eval test "x\$$1" = "xno" |
| } |
| |
| |
| soft_enable() { |
| for var in $*; do |
| if ! disabled $var; then |
| log_echo " enabling $var" |
| enable $var |
| fi |
| done |
| } |
| |
| soft_disable() { |
| for var in $*; do |
| if ! enabled $var; then |
| log_echo " disabling $var" |
| disable $var |
| fi |
| done |
| } |
| |
| |
| # |
| # Text Processing Functions |
| # |
| toupper(){ |
| echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ |
| } |
| |
| |
| tolower(){ |
| echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz |
| } |
| |
| |
| # |
| # Temporary File Functions |
| # |
| source_path=${0%/*} |
| enable source_path_used |
| if test -z "$source_path" -o "$source_path" = "." ; then |
| source_path="`pwd`" |
| disable source_path_used |
| fi |
| |
| if test ! -z "$TMPDIR" ; then |
| TMPDIRx="${TMPDIR}" |
| elif test ! -z "$TEMPDIR" ; then |
| TMPDIRx="${TEMPDIR}" |
| else |
| TMPDIRx="/tmp" |
| fi |
| TMP_H="${TMPDIRx}/vpx-conf-$$-${RANDOM}.h" |
| TMP_C="${TMPDIRx}/vpx-conf-$$-${RANDOM}.c" |
| TMP_O="${TMPDIRx}/vpx-conf-$$-${RANDOM}.o" |
| TMP_X="${TMPDIRx}/vpx-conf-$$-${RANDOM}.x" |
| TMP_ASM="${TMPDIRx}/vpx-conf-$$-${RANDOM}.asm" |
| |
| clean_temp_files() { |
| rm -f ${TMP_C} ${TMP_H} ${TMP_O} ${TMP_X} ${TMP_ASM} |
| } |
| |
| # |
| # Toolchain Check Functions |
| # |
| check_cmd() { |
| log "$@" |
| "$@" >>${logfile} 2>&1 |
| } |
| |
| check_cc() { |
| log check_cc "$@" |
| cat >${TMP_C} |
| log_file ${TMP_C} |
| check_cmd ${CC} ${CFLAGS} "$@" -c -o ${TMP_O} ${TMP_C} |
| } |
| |
| check_cpp() { |
| log check_cpp "$@" |
| cat > ${TMP_C} |
| log_file ${TMP_C} |
| check_cmd ${CC} ${CFLAGS} "$@" -E -o ${TMP_O} ${TMP_C} |
| } |
| |
| check_ld() { |
| log check_ld "$@" |
| check_cc $@ \ |
| && check_cmd ${LD} ${LDFLAGS} "$@" -o ${TMP_X} ${TMP_O} ${extralibs} |
| } |
| |
| check_header(){ |
| log check_header "$@" |
| header=$1 |
| shift |
| var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'` |
| disable $var |
| check_cpp "$@" <<EOF && enable $var |
| #include "$header" |
| int x; |
| EOF |
| } |
| |
| |
| check_cflags() { |
| log check_cflags "$@" |
| check_cc "$@" <<EOF |
| int x; |
| EOF |
| } |
| |
| check_add_cflags() { |
| check_cflags "$@" && add_cflags "$@" |
| } |
| |
| check_add_asflags() { |
| log add_asflags "$@" |
| add_asflags "$@" |
| } |
| |
| check_add_ldflags() { |
| log add_ldflags "$@" |
| add_ldflags "$@" |
| } |
| |
| check_asm_align() { |
| log check_asm_align "$@" |
| cat >${TMP_ASM} <<EOF |
| section .rodata |
| align 16 |
| EOF |
| log_file ${TMP_ASM} |
| check_cmd ${AS} ${ASFLAGS} -o ${TMP_O} ${TMP_ASM} |
| readelf -WS ${TMP_O} >${TMP_X} |
| log_file ${TMP_X} |
| if ! grep -q '\.rodata .* 16$' ${TMP_X}; then |
| die "${AS} ${ASFLAGS} does not support section alignment (nasm <=2.08?)" |
| fi |
| } |
| |
| write_common_config_banner() { |
| echo '# This file automatically generated by configure. Do not edit!' > config.mk |
| echo "TOOLCHAIN := ${toolchain}" >> config.mk |
| |
| case ${toolchain} in |
| *-linux-rvct) |
| echo "ALT_LIBC := ${alt_libc}" >> config.mk |
| ;; |
| esac |
| } |
| |
| write_common_config_targets() { |
| for t in ${all_targets}; do |
| if enabled ${t}; then |
| if enabled universal || enabled child; then |
| fwrite config.mk "ALL_TARGETS += ${t}-${toolchain}" |
| else |
| fwrite config.mk "ALL_TARGETS += ${t}" |
| fi |
| fi |
| true; |
| done |
| true |
| } |
| |
| write_common_target_config_mk() { |
| local CC=${CC} |
| enabled ccache && CC="ccache ${CC}" |
| |
| cat > $1 << EOF |
| # This file automatically generated by configure. Do not edit! |
| SRC_PATH="$source_path" |
| SRC_PATH_BARE=$source_path |
| BUILD_PFX=${BUILD_PFX} |
| TOOLCHAIN=${toolchain} |
| ASM_CONVERSION=${asm_conversion_cmd:-${source_path}/build/make/ads2gas.pl} |
| |
| CC=${CC} |
| AR=${AR} |
| LD=${LD} |
| AS=${AS} |
| STRIP=${STRIP} |
| NM=${NM} |
| |
| CFLAGS = ${CFLAGS} |
| ARFLAGS = -rus\$(if \$(quiet),c,v) |
| LDFLAGS = ${LDFLAGS} |
| ASFLAGS = ${ASFLAGS} |
| extralibs = ${extralibs} |
| AS_SFX = ${AS_SFX:-.asm} |
| EOF |
| |
| if enabled rvct; then cat >> $1 << EOF |
| fmt_deps = sed -e 's;^__image.axf;\$(dir \$@)\$(notdir \$<).o \$@;' #hide |
| EOF |
| else cat >> $1 << EOF |
| fmt_deps = sed -e 's;^\([a-zA-Z0-9_]*\)\.o;\$(dir \$@)\1\$(suffix \$<).o \$@;' |
| EOF |
| fi |
| |
| print_config_mk ARCH "${1}" ${ARCH_LIST} |
| print_config_mk HAVE "${1}" ${HAVE_LIST} |
| print_config_mk CONFIG "${1}" ${CONFIG_LIST} |
| print_config_mk HAVE "${1}" gnu_strip |
| |
| enabled msvs && echo "CONFIG_VS_VERSION=${vs_version}" >> "${1}" |
| |
| } |
| |
| |
| write_common_target_config_h() { |
| cat > ${TMP_H} << EOF |
| /* This file automatically generated by configure. Do not edit! */ |
| #define RESTRICT ${RESTRICT} |
| EOF |
| print_config_h ARCH "${TMP_H}" ${ARCH_LIST} |
| print_config_h HAVE "${TMP_H}" ${HAVE_LIST} |
| print_config_h CONFIG "${TMP_H}" ${CONFIG_LIST} |
| mkdir -p `dirname "$1"` |
| cmp "$1" ${TMP_H} >/dev/null 2>&1 || mv ${TMP_H} "$1" |
| } |
| |
| process_common_cmdline() { |
| for opt in "$@"; do |
| optval="${opt#*=}" |
| case "$opt" in |
| --child) enable child |
| ;; |
| --log*) |
| logging="$optval" |
| if ! disabled logging ; then |
| enabled logging || logfile="$logging" |
| else |
| logfile=/dev/null |
| fi |
| ;; |
| --target=*) toolchain="${toolchain:-${optval}}" |
| ;; |
| --force-target=*) toolchain="${toolchain:-${optval}}"; enable force_toolchain |
| ;; |
| --cpu) |
| ;; |
| --cpu=*) tune_cpu="$optval" |
| ;; |
| --extra-cflags=*) |
| extra_cflags="${optval}" |
| ;; |
| --enable-?*|--disable-?*) |
| eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'` |
| echo "${CMDLINE_SELECT} ${ARCH_EXT_LIST}" | grep "^ *$option\$" >/dev/null || die_unknown $opt |
| $action $option |
| ;; |
| --force-enable-?*|--force-disable-?*) |
| eval `echo "$opt" | sed 's/--force-/action=/;s/-/ option=/;s/-/_/g'` |
| $action $option |
| ;; |
| --libc=*) |
| [ -d "${optval}" ] || die "Not a directory: ${optval}" |
| disable builtin_libc |
| alt_libc="${optval}" |
| ;; |
| --as=*) |
| [ "${optval}" = yasm -o "${optval}" = nasm -o "${optval}" = auto ] \ |
| || die "Must be yasm, nasm or auto: ${optval}" |
| alt_as="${optval}" |
| ;; |
| --prefix=*) |
| prefix="${optval}" |
| ;; |
| --libdir=*) |
| libdir="${optval}" |
| ;; |
| --libc|--as|--prefix|--libdir) |
| die "Option ${opt} requires argument" |
| ;; |
| --help|-h) show_help |
| ;; |
| *) die_unknown $opt |
| ;; |
| esac |
| done |
| } |
| |
| process_cmdline() { |
| for opt do |
| optval="${opt#*=}" |
| case "$opt" in |
| *) process_common_cmdline $opt |
| ;; |
| esac |
| done |
| } |
| |
| |
| post_process_common_cmdline() { |
| prefix="${prefix:-/usr/local}" |
| prefix="${prefix%/}" |
| libdir="${libdir:-${prefix}/lib}" |
| libdir="${libdir%/}" |
| if [ "${libdir#${prefix}}" = "${libdir}" ]; then |
| die "Libdir ${libdir} must be a subdirectory of ${prefix}" |
| fi |
| } |
| |
| |
| post_process_cmdline() { |
| true; |
| } |
| |
| setup_gnu_toolchain() { |
| CC=${CC:-${CROSS}gcc} |
| AR=${AR:-${CROSS}ar} |
| LD=${LD:-${CROSS}${link_with_cc:-ld}} |
| AS=${AS:-${CROSS}as} |
| STRIP=${STRIP:-${CROSS}strip} |
| NM=${NM:-${CROSS}nm} |
| AS_SFX=.s |
| } |
| |
| process_common_toolchain() { |
| if [ -z "$toolchain" ]; then |
| gcctarget="$(gcc -dumpmachine 2> /dev/null)" |
| |
| # detect tgt_isa |
| case "$gcctarget" in |
| *x86_64*|*amd64*) |
| tgt_isa=x86_64 |
| ;; |
| *i[3456]86*) |
| tgt_isa=x86 |
| ;; |
| *powerpc64*) |
| tgt_isa=ppc64 |
| ;; |
| *powerpc*) |
| tgt_isa=ppc32 |
| ;; |
| *sparc*) |
| tgt_isa=sparc |
| ;; |
| esac |
| |
| # detect tgt_os |
| case "$gcctarget" in |
| *darwin8*) |
| tgt_isa=universal |
| tgt_os=darwin8 |
| ;; |
| *darwin9*) |
| tgt_isa=universal |
| tgt_os=darwin9 |
| ;; |
| *darwin10*) |
| tgt_isa=x86_64 |
| tgt_os=darwin10 |
| ;; |
| *mingw32*|*cygwin*) |
| [ -z "$tgt_isa" ] && tgt_isa=x86 |
| tgt_os=win32 |
| ;; |
| *linux*|*bsd*) |
| tgt_os=linux |
| ;; |
| *solaris2.10) |
| tgt_os=solaris |
| ;; |
| esac |
| |
| if [ -n "$tgt_isa" ] && [ -n "$tgt_os" ]; then |
| toolchain=${tgt_isa}-${tgt_os}-gcc |
| fi |
| fi |
| |
| toolchain=${toolchain:-generic-gnu} |
| |
| is_in ${toolchain} ${all_platforms} || enabled force_toolchain \ |
| || die "Unrecognized toolchain '${toolchain}'" |
| |
| enabled child || log_echo "Configuring for target '${toolchain}'" |
| |
| # |
| # Set up toolchain variables |
| # |
| tgt_isa=$(echo ${toolchain} | awk 'BEGIN{FS="-"}{print $1}') |
| tgt_os=$(echo ${toolchain} | awk 'BEGIN{FS="-"}{print $2}') |
| tgt_cc=$(echo ${toolchain} | awk 'BEGIN{FS="-"}{print $3}') |
| |
| # Mark the specific ISA requested as enabled |
| soft_enable ${tgt_isa} |
| enable ${tgt_os} |
| enable ${tgt_cc} |
| |
| # Enable the architecture family |
| case ${tgt_isa} in |
| arm*|iwmmxt*) enable arm;; |
| mips*) enable mips;; |
| esac |
| |
| # PIC is probably what we want when building shared libs |
| enabled shared && soft_enable pic |
| |
| # Handle darwin variants |
| case ${toolchain} in |
| *-darwin8-*) |
| add_cflags "-isysroot /Developer/SDKs/MacOSX10.4u.sdk" |
| add_cflags "-mmacosx-version-min=10.4" |
| add_ldflags "-isysroot /Developer/SDKs/MacOSX10.4u.sdk" |
| add_ldflags "-mmacosx-version-min=10.4" |
| ;; |
| *-darwin9-*) |
| add_cflags "-isysroot /Developer/SDKs/MacOSX10.5.sdk" |
| add_cflags "-mmacosx-version-min=10.5" |
| add_ldflags "-isysroot /Developer/SDKs/MacOSX10.5.sdk" |
| add_ldflags "-mmacosx-version-min=10.5" |
| ;; |
| *-darwin10-*) |
| add_cflags "-isysroot /Developer/SDKs/MacOSX10.6.sdk" |
| add_cflags "-mmacosx-version-min=10.6" |
| add_ldflags "-isysroot /Developer/SDKs/MacOSX10.6.sdk" |
| add_ldflags "-mmacosx-version-min=10.6" |
| ;; |
| esac |
| |
| # Handle Solaris variants. Solaris 10 needs -lposix4 |
| case ${toolchain} in |
| sparc-solaris-*) |
| add_extralibs -lposix4 |
| add_cflags "-DMUST_BE_ALIGNED" |
| ;; |
| *-solaris-*) |
| add_extralibs -lposix4 |
| ;; |
| esac |
| |
| # Process ARM architecture variants |
| case ${toolchain} in |
| arm*|iwmmxt*) |
| # on arm, isa versions are supersets |
| enabled armv7a && soft_enable armv7 ### DEBUG |
| enabled armv7 && soft_enable armv6 |
| enabled armv6 && soft_enable armv5te |
| enabled armv6 && soft_enable fast_unaligned |
| enabled iwmmxt2 && soft_enable iwmmxt |
| enabled iwmmxt && soft_enable armv5te |
| |
| asm_conversion_cmd="cat" |
| |
| case ${tgt_cc} in |
| gcc) |
| if enabled iwmmxt || enabled iwmmxt2 |
| then |
| CROSS=${CROSS:-arm-iwmmxt-linux-gnueabi-} |
| elif enabled symbian; then |
| CROSS=${CROSS:-arm-none-symbianelf-} |
| else |
| CROSS=${CROSS:-arm-none-linux-gnueabi-} |
| fi |
| link_with_cc=gcc |
| setup_gnu_toolchain |
| arch_int=${tgt_isa##armv} |
| arch_int=${arch_int%%te} |
| check_add_asflags --defsym ARCHITECTURE=${arch_int} |
| tune_cflags="-mtune=" |
| if enabled iwmmxt || enabled iwmmxt2 |
| then |
| check_add_asflags -mcpu=${tgt_isa} |
| elif enabled armv7 |
| then |
| check_add_cflags -march=armv7-a -mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp #-ftree-vectorize |
| check_add_asflags -mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp #-march=armv7-a |
| else |
| check_add_cflags -march=${tgt_isa} |
| check_add_asflags -march=${tgt_isa} |
| fi |
| enabled debug && add_asflags -g |
| asm_conversion_cmd="${source_path}/build/make/ads2gas.pl" |
| ;; |
| rvct) |
| CC=armcc |
| AR=armar |
| AS=armasm |
| LD=${source_path}/build/make/armlink_adapter.sh |
| STRIP=arm-none-linux-gnueabi-strip |
| NM=arm-none-linux-gnueabi-nm |
| tune_cflags="--cpu=" |
| tune_asflags="--cpu=" |
| if [ -z "${tune_cpu}" ]; then |
| if enabled armv7 |
| then |
| check_add_cflags --cpu=Cortex-A8 --fpu=softvfp+vfpv3 |
| check_add_asflags --cpu=Cortex-A8 --fpu=none |
| else |
| check_add_cflags --cpu=${tgt_isa##armv} |
| check_add_asflags --cpu=${tgt_isa##armv} |
| fi |
| fi |
| arch_int=${tgt_isa##armv} |
| arch_int=${arch_int%%te} |
| check_add_asflags --pd "\"ARCHITECTURE SETA ${arch_int}\"" |
| enabled debug && add_asflags -g |
| add_cflags --gnu |
| add_cflags --enum_is_int |
| add_cflags --wchar32 |
| ;; |
| esac |
| |
| case ${tgt_os} in |
| none*) |
| disable multithread |
| disable os_support |
| ;; |
| darwin*) |
| SDK_PATH=/Developer/Platforms/iPhoneOS.platform/Developer |
| TOOLCHAIN_PATH=${SDK_PATH}/usr/bin |
| CC=${TOOLCHAIN_PATH}/gcc |
| AR=${TOOLCHAIN_PATH}/ar |
| LD=${TOOLCHAIN_PATH}/arm-apple-darwin10-gcc-4.2.1 |
| AS=${TOOLCHAIN_PATH}/as |
| STRIP=${TOOLCHAIN_PATH}/strip |
| NM=${TOOLCHAIN_PATH}/nm |
| AS_SFX=.s |
| |
| # ASFLAGS is written here instead of using check_add_asflags |
| # because we need to overwrite all of ASFLAGS and purge the |
| # options that were put in above |
| ASFLAGS="-version -arch ${tgt_isa} -g" |
| |
| add_cflags -arch ${tgt_isa} |
| add_ldflags -arch_only ${tgt_isa} |
| |
| add_cflags "-isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.2.sdk" |
| |
| # This should be overridable |
| alt_libc=${SDK_PATH}/SDKs/iPhoneOS4.2.sdk |
| |
| # Add the paths for the alternate libc |
| # for d in usr/include usr/include/gcc/darwin/4.0/; do |
| for d in usr/include usr/include/gcc/darwin/4.0/ usr/lib/gcc/arm-apple-darwin10/4.2.1/include/; do |
| try_dir="${alt_libc}/${d}" |
| [ -d "${try_dir}" ] && add_cflags -I"${try_dir}" |
| done |
| |
| for d in lib usr/lib; do |
| try_dir="${alt_libc}/${d}" |
| [ -d "${try_dir}" ] && add_ldflags -L"${try_dir}" |
| done |
| |
| asm_conversion_cmd="${source_path}/build/make/ads2gas_apple.pl" |
| ;; |
| |
| linux*) |
| enable linux |
| if enabled rvct; then |
| # Compiling with RVCT requires an alternate libc (glibc) when |
| # targetting linux. |
| disabled builtin_libc \ |
| || die "Must supply --libc when targetting *-linux-rvct" |
| |
| # Set up compiler |
| add_cflags --library_interface=aeabi_glibc |
| add_cflags --no_hide_all |
| add_cflags --dwarf2 |
| |
| # Set up linker |
| add_ldflags --sysv --no_startup --no_ref_cpp_init |
| add_ldflags --entry=_start |
| add_ldflags --keep '"*(.init)"' --keep '"*(.fini)"' |
| add_ldflags --keep '"*(.init_array)"' --keep '"*(.fini_array)"' |
| add_ldflags --dynamiclinker=/lib/ld-linux.so.3 |
| add_extralibs libc.so.6 -lc_nonshared crt1.o crti.o crtn.o |
| |
| # Add the paths for the alternate libc |
| for d in usr/include; do |
| try_dir="${alt_libc}/${d}" |
| [ -d "${try_dir}" ] && add_cflags -J"${try_dir}" |
| done |
| add_cflags -J"${RVCT31INC}" |
| for d in lib usr/lib; do |
| try_dir="${alt_libc}/${d}" |
| [ -d "${try_dir}" ] && add_ldflags -L"${try_dir}" |
| done |
| |
| |
| # glibc has some struct members named __align, which is a |
| # storage modifier in RVCT. If we need to use this modifier, |
| # we'll have to #undef it in our code. Note that this must |
| # happen AFTER all libc inclues. |
| add_cflags -D__align=x_align_x |
| fi |
| ;; |
| |
| symbian*) |
| enable symbian |
| # Add the paths for the alternate libc |
| for d in include/libc; do |
| try_dir="${alt_libc}/${d}" |
| [ -d "${try_dir}" ] && add_cflags -I"${try_dir}" |
| done |
| for d in release/armv5/urel; do |
| try_dir="${alt_libc}/${d}" |
| [ -d "${try_dir}" ] && add_ldflags -L"${try_dir}" |
| done |
| add_cflags -DIMPORT_C= |
| |
| esac |
| ;; |
| mips*) |
| CROSS=${CROSS:-mipsel-linux-uclibc-} |
| link_with_cc=gcc |
| setup_gnu_toolchain |
| tune_cflags="-mtune=" |
| check_add_cflags -march=${tgt_isa} |
| check_add_asflags -march=${tgt_isa} |
| check_add_asflags -KPIC |
| ;; |
| ppc*) |
| enable ppc |
| bits=${tgt_isa##ppc} |
| link_with_cc=gcc |
| setup_gnu_toolchain |
| add_asflags -force_cpusubtype_ALL -I"\$(dir \$<)darwin" |
| soft_enable altivec |
| enabled altivec && add_cflags -maltivec |
| |
| case "$tgt_os" in |
| linux*) |
| add_asflags -maltivec -mregnames -I"\$(dir \$<)linux" |
| ;; |
| darwin*) |
| darwin_arch="-arch ppc" |
| enabled ppc64 && darwin_arch="${darwin_arch}64" |
| add_cflags ${darwin_arch} -m${bits} -fasm-blocks |
| add_asflags ${darwin_arch} -force_cpusubtype_ALL -I"\$(dir \$<)darwin" |
| add_ldflags ${darwin_arch} -m${bits} |
| enabled altivec && add_cflags -faltivec |
| ;; |
| esac |
| ;; |
| x86*) |
| bits=32 |
| enabled x86_64 && bits=64 |
| soft_enable runtime_cpu_detect |
| soft_enable mmx |
| soft_enable sse |
| soft_enable sse2 |
| soft_enable sse3 |
| soft_enable ssse3 |
| soft_enable sse4_1 |
| |
| case ${tgt_os} in |
| win*) |
| enabled gcc && add_cflags -fno-common |
| ;; |
| solaris*) |
| CC=${CC:-${CROSS}gcc} |
| LD=${LD:-${CROSS}gcc} |
| CROSS=${CROSS:-g} |
| ;; |
| esac |
| |
| AS="${alt_as:-${AS:-auto}}" |
| case ${tgt_cc} in |
| icc*) |
| CC=${CC:-icc} |
| LD=${LD:-icc} |
| setup_gnu_toolchain |
| add_cflags -use-msasm -use-asm |
| add_ldflags -i-static |
| enabled x86_64 && add_cflags -ipo -no-prec-div -static -xSSE2 -axSSE2 |
| enabled x86_64 && AR=xiar |
| case ${tune_cpu} in |
| atom*) |
| tune_cflags="-x" |
| tune_cpu="SSE3_ATOM" |
| ;; |
| *) |
| tune_cflags="-march=" |
| ;; |
| esac |
| ;; |
| gcc*) |
| add_cflags -m${bits} |
| add_ldflags -m${bits} |
| link_with_cc=gcc |
| tune_cflags="-march=" |
| setup_gnu_toolchain |
| ;; |
| esac |
| |
| case "${AS}" in |
| auto|"") |
| which nasm >/dev/null 2>&1 && AS=nasm |
| which yasm >/dev/null 2>&1 && AS=yasm |
| [ "${AS}" = auto -o -z "${AS}" ] \ |
| && die "Neither yasm nor nasm have been found" |
| ;; |
| esac |
| log_echo " using $AS" |
| [ "${AS##*/}" = nasm ] && add_asflags -Ox |
| AS_SFX=.asm |
| case ${tgt_os} in |
| win*) |
| add_asflags -f win${bits} |
| enabled debug && add_asflags -g cv8 |
| ;; |
| linux*|solaris*) |
| add_asflags -f elf${bits} |
| enabled debug && [ "${AS}" = yasm ] && add_asflags -g dwarf2 |
| enabled debug && [ "${AS}" = nasm ] && add_asflags -g |
| [ "${AS##*/}" = nasm ] && check_asm_align |
| ;; |
| darwin*) |
| add_asflags -f macho${bits} |
| enabled x86 && darwin_arch="-arch i386" || darwin_arch="-arch x86_64" |
| add_cflags ${darwin_arch} |
| add_ldflags ${darwin_arch} |
| # -mdynamic-no-pic is still a bit of voodoo -- it was required at |
| # one time, but does not seem to be now, and it breaks some of the |
| # code that still relies on inline assembly. |
| # enabled icc && ! enabled pic && add_cflags -fno-pic -mdynamic-no-pic |
| enabled icc && ! enabled pic && add_cflags -fno-pic |
| ;; |
| *) log "Warning: Unknown os $tgt_os while setting up $AS flags" |
| ;; |
| esac |
| ;; |
| universal*|*-gcc|generic-gnu) |
| link_with_cc=gcc |
| enable gcc |
| setup_gnu_toolchain |
| ;; |
| esac |
| |
| # Try to enable CPU specific tuning |
| if [ -n "${tune_cpu}" ]; then |
| if [ -n "${tune_cflags}" ]; then |
| check_add_cflags ${tune_cflags}${tune_cpu} || \ |
| die "Requested CPU '${tune_cpu}' not supported by compiler" |
| fi |
| if [ -n "${tune_asflags}" ]; then |
| check_add_asflags ${tune_asflags}${tune_cpu} || \ |
| die "Requested CPU '${tune_cpu}' not supported by assembler" |
| fi |
| if [ -z "${tune_cflags}${tune_asflags}" ]; then |
| log_echo "Warning: CPU tuning not supported by this toolchain" |
| fi |
| fi |
| |
| enabled debug && check_add_cflags -g && check_add_ldflags -g |
| enabled gprof && check_add_cflags -pg && check_add_ldflags -pg |
| enabled gcov && |
| check_add_cflags -fprofile-arcs -ftest-coverage && |
| check_add_ldflags -fprofile-arcs -ftest-coverage |
| if enabled optimizations; then |
| enabled rvct && check_add_cflags -Otime |
| enabled small && check_add_cflags -O2 || check_add_cflags -O3 |
| fi |
| |
| # Position Independent Code (PIC) support, for building relocatable |
| # shared objects |
| enabled gcc && enabled pic && check_add_cflags -fPIC |
| |
| # Check for strip utility variant |
| ${STRIP} -V 2>/dev/null | grep GNU >/dev/null && enable gnu_strip |
| |
| # Try to determine target endianness |
| check_cc <<EOF |
| unsigned int e = 'O'<<24 | '2'<<16 | 'B'<<8 | 'E'; |
| EOF |
| [ -f "${TMP_O}" ] && od -A n -t x1 "${TMP_O}" | tr -d '\n' | |
| grep '4f *32 *42 *45' >/dev/null 2>&1 && enable big_endian |
| |
| # Almost every platform uses pthreads. |
| if enabled multithread; then |
| case ${toolchain} in |
| *-win*);; |
| *) check_header pthread.h && add_extralibs -lpthread |
| esac |
| fi |
| |
| # glibc needs these |
| if enabled linux; then |
| add_cflags -D_LARGEFILE_SOURCE |
| add_cflags -D_FILE_OFFSET_BITS=64 |
| fi |
| |
| # append any user defined extra cflags |
| if [ -n "${extra_cflags}" ] ; then |
| check_add_cflags ${extra_cflags} || \ |
| die "Requested extra CFLAGS '${extra_cflags}' not supported by compiler" |
| fi |
| } |
| |
| process_toolchain() { |
| process_common_toolchain |
| } |
| |
| print_config_mk() { |
| local prefix=$1 |
| local makefile=$2 |
| shift 2 |
| for cfg; do |
| upname="`toupper $cfg`" |
| if enabled $cfg; then |
| echo "${prefix}_${upname}=yes" >> $makefile |
| fi |
| done |
| } |
| |
| print_config_h() { |
| local prefix=$1 |
| local header=$2 |
| shift 2 |
| for cfg; do |
| upname="`toupper $cfg`" |
| if enabled $cfg; then |
| echo "#define ${prefix}_${upname} 1" >> $header |
| else |
| echo "#define ${prefix}_${upname} 0" >> $header |
| fi |
| done |
| } |
| |
| process_targets() { |
| true; |
| } |
| |
| process_detect() { |
| true; |
| } |
| |
| enable logging |
| logfile="config.err" |
| self=$0 |
| process() { |
| cmdline_args="$@" |
| process_cmdline "$@" |
| if enabled child; then |
| echo "# ${self} $@" >> ${logfile} |
| else |
| echo "# ${self} $@" > ${logfile} |
| fi |
| post_process_common_cmdline |
| post_process_cmdline |
| process_toolchain |
| process_detect |
| process_targets |
| |
| OOT_INSTALLS="${OOT_INSTALLS}" |
| if enabled source_path_used; then |
| # Prepare the PWD for building. |
| for f in ${OOT_INSTALLS}; do |
| install -D ${source_path}/$f $f |
| done |
| fi |
| cp ${source_path}/build/make/Makefile . |
| |
| clean_temp_files |
| true |
| } |
