234 lines
6.6 KiB
Python
234 lines
6.6 KiB
Python
{
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'variables': {
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# Clang stuff.
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'make_clang_dir%': 'vendor/llvm-build/Release+Asserts',
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# Set this to true when building with Clang.
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'clang%': 1,
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# Path to sysroot dir.
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'sysroot%': '',
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'variables': {
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# Set ARM architecture version.
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'arm_version%': 7,
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# Set NEON compilation flags.
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'arm_neon%': 1,
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},
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# Copy conditionally-set variables out one scope.
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'arm_version%': '<(arm_version)',
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'arm_neon%': '<(arm_neon)',
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# Variables to control Link-Time Optimization (LTO).
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'use_lto%': 0,
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'use_lto_o2%': 0,
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'conditions': [
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# Do not use Clang on Windows.
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['OS=="win"', {
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'clang%': 0,
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}], # OS=="win"
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# Define the abosulte version of <(DEPTH).
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['OS!="win"', {
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'source_root': '<!(cd <(DEPTH) && pwd -P)',
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}], # OS!="win"
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# Set default compiler flags depending on ARM version.
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['arm_version==6', {
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'arm_arch%': 'armv6',
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'arm_tune%': '',
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'arm_fpu%': 'vfp',
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'arm_float_abi%': 'softfp',
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'arm_thumb%': 0,
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}], # arm_version==6
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['arm_version==7', {
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'arm_arch%': 'armv7-a',
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'arm_tune%': 'generic-armv7-a',
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'conditions': [
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['arm_neon==1', {
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'arm_fpu%': 'neon',
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}, {
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'arm_fpu%': 'vfpv3-d16',
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}],
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],
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'arm_float_abi%': 'hard',
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'arm_thumb%': 1,
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}], # arm_version==7
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],
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},
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'conditions': [
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# Setup building with clang.
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['clang==1', {
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'make_global_settings': [
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['CC', '<(make_clang_dir)/bin/clang'],
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['CXX', '<(make_clang_dir)/bin/clang++'],
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['CC.host', '$(CC)'],
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['CXX.host', '$(CXX)'],
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],
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'target_defaults': {
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'cflags_cc': [
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'-std=c++11',
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],
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'xcode_settings': {
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'CC': '<(make_clang_dir)/bin/clang',
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'LDPLUSPLUS': '<(make_clang_dir)/bin/clang++',
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'OTHER_CFLAGS': [
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'-fcolor-diagnostics',
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],
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'GCC_C_LANGUAGE_STANDARD': 'c99', # -std=c99
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'CLANG_CXX_LIBRARY': 'libc++', # -stdlib=libc++
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'CLANG_CXX_LANGUAGE_STANDARD': 'c++11', # -std=c++11
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},
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'target_conditions': [
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['_type in ["executable", "shared_library"]', {
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'xcode_settings': {
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# On some machines setting CLANG_CXX_LIBRARY doesn't work for
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# linker.
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'OTHER_LDFLAGS': [ '-stdlib=libc++' ],
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},
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}],
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],
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},
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}], # clang==1
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# Setup sysroot environment.
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['OS=="linux" and target_arch in ["arm", "ia32"]', {
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'variables': {
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'conditions': [
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['target_arch=="arm"', {
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# sysroot needs to be an absolute path otherwise it generates
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# incorrect results when passed to pkg-config
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'sysroot': '<(source_root)/vendor/debian_wheezy_arm-sysroot',
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}],
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['target_arch=="ia32"', {
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'sysroot': '<(source_root)/vendor/debian_wheezy_i386-sysroot',
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}],
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],
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},
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'target_defaults': {
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'target_conditions': [
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['_toolset=="target"', {
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'cflags': [
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'--sysroot=<(sysroot)',
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],
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'ldflags': [
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'--sysroot=<(sysroot)',
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'<!(<(source_root)/tools/linux/sysroot_ld_path.sh <(sysroot))',
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],
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}]
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],
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},
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}], # target_arch==arm
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# Setup cross-compilation on Linux.
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['OS=="linux"', {
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'target_defaults': {
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'target_conditions': [
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['target_arch=="ia32" and _toolset=="target"', {
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'asflags': [
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'-32',
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],
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'cflags': [
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'-msse2',
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'-mfpmath=sse',
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'-mmmx', # Allows mmintrin.h for MMX intrinsics.
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'-m32',
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],
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'ldflags': [
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'-m32',
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],
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}], # target_arch=="ia32" and _toolset=="target"
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['target_arch=="x64" and _toolset=="target"', {
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'cflags': [
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'-m64',
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'-march=x86-64',
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],
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'ldflags': [
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'-m64',
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],
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}], # target_arch=="x64" and _toolset=="target"
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['target_arch=="arm" and _toolset=="target"', {
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'conditions': [
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['clang==0', {
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'cflags_cc': [
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'-Wno-abi',
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],
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}],
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['clang==1 and arm_arch!=""', {
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'cflags': [
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'-target arm-linux-gnueabihf',
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],
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'ldflags': [
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'-target arm-linux-gnueabihf',
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],
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}],
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['arm_arch!=""', {
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'cflags': [
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'-march=<(arm_arch)',
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],
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'conditions': [
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['use_lto==1 or use_lto_o2==1', {
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'ldflags': [
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'-march=<(arm_arch)',
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],
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}],
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],
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}],
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['arm_tune!=""', {
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'cflags': [
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'-mtune=<(arm_tune)',
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],
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'conditions': [
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['use_lto==1 or use_lto_o2==1', {
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'ldflags': [
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'-mtune=<(arm_tune)',
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],
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}],
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],
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}],
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['arm_fpu!=""', {
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'cflags': [
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'-mfpu=<(arm_fpu)',
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],
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'conditions': [
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['use_lto==1 or use_lto_o2==1', {
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'ldflags': [
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'-mfpu=<(arm_fpu)',
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],
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}],
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],
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}],
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['arm_float_abi!=""', {
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'cflags': [
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'-mfloat-abi=<(arm_float_abi)',
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],
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'conditions': [
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['use_lto==1 or use_lto_o2==1', {
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'ldflags': [
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'-mfloat-abi=<(arm_float_abi)',
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],
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}],
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],
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}],
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['arm_thumb==1', {
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'cflags': [
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'-mthumb',
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],
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'conditions': [
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['use_lto==1 or use_lto_o2==1', {
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'ldflags': [
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'-mthumb',
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],
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}],
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],
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}],
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],
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}], # target_arch=="arm" and _toolset=="target"
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],
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},
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}], # OS=="linux"
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],
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}
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