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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
{
'includes': [
'../../coreconf/config.gypi'
],
'targets': [
{
'target_name': 'intel-gcm-s_lib',
'type': 'static_library',
'sources': [
'intel-aes.s',
'intel-gcm.s',
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
'conditions': [
[ 'cc_is_clang==1 and force_integrated_as!=1', {
'cflags': [
'-no-integrated-as',
],
'cflags_mozilla': [
'-no-integrated-as',
],
'asflags_mozilla': [
'-no-integrated-as',
],
}],
],
},
{
'target_name': 'intel-gcm-wrap_c_lib',
'type': 'static_library',
'sources': [
'intel-gcm-wrap.c',
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
'conditions': [
[ '(OS=="linux" or OS=="android") and target_arch=="x64"', {
'dependencies': [
'intel-gcm-s_lib',
],
}],
],
'cflags': [
'-mssse3',
],
'cflags_mozilla': [
'-mssse3'
],
},
{
'target_name': 'hw-acc-crypto-avx',
'type': 'static_library',
# 'sources': [
# All AVX hardware accelerated crypto currently requires x64
# ],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
'conditions': [
[ 'target_arch=="x64"', {
'cflags': [
'-mssse3',
'-msse4.1',
'-msse4.2'
],
'cflags_mozilla': [
'-mssse3',
'-msse4.1',
'-msse4.2',
'-mpclmul',
'-maes',
'-mavx',
],
# GCC doesn't define this.
'defines': [
'__SSSE3__',
],
}],
[ 'OS=="linux" or OS=="android" or OS=="dragonfly" or OS=="freebsd" or \
OS=="netbsd" or OS=="openbsd"', {
'cflags': [
'-mpclmul',
'-maes',
'-mavx',
],
}],
# macOS build doesn't use cflags.
[ 'OS=="mac" or OS=="ios"', {
'xcode_settings': {
'OTHER_CFLAGS': [
'-mssse3',
'-msse4.1',
'-msse4.2',
'-mpclmul',
'-maes',
'-mavx',
],
},
}],
[ 'target_arch=="arm"', {
# Gecko doesn't support non-NEON platform on Android, but tier-3
# platform such as Linux/arm will need it
'cflags_mozilla': [
'-mfpu=neon'
],
}],
[ 'target_arch=="x64"', {
'sources': [
'verified/Hacl_Poly1305_128.c',
'verified/Hacl_Chacha20_Vec128.c',
'verified/Hacl_Chacha20Poly1305_128.c',
],
}],
],
},
{
'target_name': 'hw-acc-crypto-avx2',
'type': 'static_library',
# 'sources': [
# All AVX2 hardware accelerated crypto currently requires x64
# ],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
'conditions': [
[ 'target_arch=="x64"', {
'cflags': [
'-mssse3',
'-msse4.1',
'-msse4.2'
],
'cflags_mozilla': [
'-mssse3',
'-msse4.1',
'-msse4.2',
'-mpclmul',
'-maes',
'-mavx',
'-mavx2',
],
# GCC doesn't define this.
'defines': [
'__SSSE3__',
],
}],
[ 'OS=="linux" or OS=="android" or OS=="dragonfly" or OS=="freebsd" or \
OS=="netbsd" or OS=="openbsd"', {
'cflags': [
'-mpclmul',
'-maes',
'-mavx',
'-mavx2',
],
}],
# macOS build doesn't use cflags.
[ 'OS=="mac" or OS=="ios"', {
'xcode_settings': {
'OTHER_CFLAGS': [
'-mssse3',
'-msse4.1',
'-msse4.2',
'-mpclmul',
'-maes',
'-mavx',
'-mavx2',
],
},
}],
[ 'target_arch=="arm"', {
# Gecko doesn't support non-NEON platform on Android, but tier-3
# platform such as Linux/arm will need it
'cflags_mozilla': [
'-mfpu=neon'
],
}],
[ 'target_arch=="x64"', {
'sources': [
'verified/Hacl_Poly1305_256.c',
'verified/Hacl_Chacha20_Vec256.c',
'verified/Hacl_Chacha20Poly1305_256.c',
],
}],
],
},
{
'target_name': 'gcm-aes-x86_c_lib',
'type': 'static_library',
'sources': [
'gcm-x86.c', 'aes-x86.c'
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
# Enable isa option for pclmul and aes-ni; supported since gcc 4.4.
# This is only supported by x84/x64. It's not needed for Windows,
# unless clang-cl is used.
'cflags_mozilla': [
'-mpclmul', '-maes'
],
'conditions': [
[ 'OS=="linux" or OS=="android" or OS=="dragonfly" or OS=="freebsd" or OS=="netbsd" or OS=="openbsd"', {
'cflags': [
'-mpclmul', '-maes'
],
}],
# macOS build doesn't use cflags.
[ 'OS=="mac" or OS=="ios"', {
'xcode_settings': {
'OTHER_CFLAGS': [
'-mpclmul', '-maes'
],
},
}]
]
},
{
'target_name': 'sha-x86_c_lib',
'type': 'static_library',
'sources': [
'sha256-x86.c'
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
'cflags': [
'-msha',
'-mssse3',
'-msse4.1'
],
'cflags_mozilla': [
'-msha',
'-mssse3',
'-msse4.1'
],
'conditions': [
# macOS build doesn't use cflags.
[ 'OS=="mac" or OS=="ios"', {
'xcode_settings': {
'OTHER_CFLAGS': [
'-msha',
'-mssse3',
'-msse4.1'
],
},
}]
]
},
{
'target_name': 'gcm-aes-arm32-neon_c_lib',
'type': 'static_library',
'sources': [
'gcm-arm32-neon.c'
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
'cflags': [
'-march=armv7',
'-mfpu=neon',
'<@(softfp_cflags)',
],
'cflags_mozilla': [
'-mfpu=neon',
'<@(softfp_cflags)',
]
},
{
'target_name': 'gcm-aes-aarch64_c_lib',
'type': 'static_library',
'sources': [
'gcm-aarch64.c'
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
'cflags': [
'-march=armv8-a+crypto'
],
'cflags_mozilla': [
'-march=armv8-a+crypto'
]
},
{
'target_name': 'gcm-aes-ppc_c_lib',
'type': 'static_library',
'sources': [
'gcm-ppc.c',
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
'conditions': [
[ 'disable_crypto_vsx==0', {
'cflags': [
'-mcrypto',
'-maltivec'
],
'cflags_mozilla': [
'-mcrypto',
'-maltivec'
],
}, 'disable_crypto_vsx==1', {
'cflags': [
'-maltivec'
],
'cflags_mozilla': [
'-maltivec'
],
}],
[ 'ppc_abi==2', {
'sources': [
'sha512-p8.s',
],
}],
]
},
{
'target_name': 'gcm-aes-ppc_lib',
'type': 'static_library',
'sources': [
'ppc-gcm.s',
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
'conditions': [
[ 'cc_is_clang==1 and force_integrated_as!=1', {
'cflags': [
'-no-integrated-as',
],
'cflags_mozilla': [
'-no-integrated-as',
],
'asflags_mozilla': [
'-no-integrated-as',
],
}],
],
},
{
'target_name': 'ppc-gcm-wrap-nodepend_c_lib',
'type': 'static_library',
'sources': [
'ppc-gcm-wrap.c',
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports',
'gcm-aes-ppc_lib',
],
},
{
'target_name': 'ppc-gcm-wrap_c_lib',
'type': 'static_library',
'sources': [
'ppc-gcm-wrap.c',
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports',
'gcm-aes-ppc_lib',
],
'defines!': [
'FREEBL_NO_DEPEND',
],
},
{
'target_name': 'gcm-sha512-nodepend-ppc_c_lib',
'type': 'static_library',
'sources': [
'sha512.c',
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
'conditions': [
[ 'disable_crypto_vsx==0', {
'cflags': [
'-mcrypto',
'-maltivec',
'-mvsx',
'-funroll-loops',
'-fpeel-loops'
],
'cflags_mozilla': [
'-mcrypto',
'-maltivec',
'-mvsx',
'-funroll-loops',
'-fpeel-loops'
],
}, 'disable_crypto_vsx==1', {
'cflags': [
'-maltivec',
'-funroll-loops',
'-fpeel-loops'
],
'cflags_mozilla': [
'-maltivec',
'-funroll-loops',
'-fpeel-loops'
],
}]
]
},
{
'target_name': 'gcm-sha512-ppc_c_lib',
'type': 'static_library',
'sources': [
'sha512.c',
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
'conditions': [
[ 'disable_crypto_vsx==0', {
'cflags': [
'-mcrypto',
'-maltivec',
'-mvsx',
'-funroll-loops',
'-fpeel-loops'
],
'cflags_mozilla': [
'-mcrypto',
'-maltivec',
'-mvsx',
'-funroll-loops',
'-fpeel-loops'
],
}, 'disable_crypto_vsx==1', {
'cflags': [
'-maltivec',
'-funroll-loops',
'-fpeel-loops'
],
'cflags_mozilla': [
'-maltivec',
'-funroll-loops',
'-fpeel-loops'
],
}]
],
'defines!': [
'FREEBL_NO_DEPEND',
],
},
{
'target_name': 'chacha20-ppc_lib',
'type': 'static_library',
'sources': [
'chacha20poly1305-ppc.c',
'chacha20-ppc64le.S',
]
},
{
'target_name': 'armv8_c_lib',
'type': 'static_library',
'sources': [
'aes-armv8.c',
'sha1-armv8.c',
'sha256-armv8.c',
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
'conditions': [
[ 'target_arch=="arm"', {
'cflags': [
'-march=armv8-a',
'-mfpu=crypto-neon-fp-armv8',
'<@(softfp_cflags)',
],
'cflags_mozilla': [
'-march=armv8-a',
'-mfpu=crypto-neon-fp-armv8',
'<@(softfp_cflags)',
],
}, 'target_arch=="arm64" or target_arch=="aarch64"', {
'cflags': [
'-march=armv8-a+crypto'
],
'cflags_mozilla': [
'-march=armv8-a+crypto'
],
}]
]
},
{
'target_name': 'freebl',
'type': 'static_library',
'sources': [
'loader.c'
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
]
},
# Build a static freebl library so we can statically link it into
# the binary. This way we don't have to dlopen() the shared lib
# but can directly call freebl functions.
{
'target_name': 'freebl_static',
'type': 'static_library',
'includes': [
'freebl_base.gypi',
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports',
'hw-acc-crypto-avx',
'hw-acc-crypto-avx2',
],
'conditions': [
[ 'target_arch=="ia32" or target_arch=="x64"', {
'dependencies': [
'gcm-aes-x86_c_lib',
],
}, '(disable_arm_hw_aes==0 or disable_arm_hw_sha1==0 or disable_arm_hw_sha2==0) and (target_arch=="arm" or target_arch=="arm64" or target_arch=="aarch64")', {
'dependencies': [
'armv8_c_lib'
],
}],
[ '(target_arch=="ia32" or target_arch=="x64") and disable_intel_hw_sha==0', {
'dependencies': [
'sha-x86_c_lib',
],
}],
[ 'disable_arm32_neon==0 and target_arch=="arm"', {
'dependencies': [
'gcm-aes-arm32-neon_c_lib',
],
}],
[ 'disable_arm32_neon==1 and target_arch=="arm"', {
'defines!': [
'NSS_DISABLE_ARM32_NEON',
],
}],
[ 'target_arch=="arm64" or target_arch=="aarch64"', {
'dependencies': [
'gcm-aes-aarch64_c_lib',
],
}],
[ 'disable_altivec==0 and target_arch=="ppc64"', {
'dependencies': [
'gcm-aes-ppc_c_lib',
'gcm-sha512-ppc_c_lib',
],
}],
[ 'disable_altivec==0 and target_arch=="ppc64le"', {
'dependencies': [
'gcm-aes-ppc_c_lib',
'gcm-sha512-ppc_c_lib',
'chacha20-ppc_lib',
'ppc-gcm-wrap_c_lib',
],
}],
[ 'disable_altivec==1 and (target_arch=="ppc64" or target_arch=="ppc64le")', {
'defines!': [
'NSS_DISABLE_ALTIVEC',
],
}],
[ 'disable_crypto_vsx==1 and (target_arch=="ppc" or target_arch=="ppc64" or target_arch=="ppc64le")', {
'defines!': [
'NSS_DISABLE_CRYPTO_VSX',
],
}],
[ 'OS=="linux"', {
'defines!': [
'FREEBL_NO_DEPEND',
'FREEBL_LOWHASH',
'USE_HW_AES',
'INTEL_GCM',
'PPC_GCM',
],
'conditions': [
[ 'target_arch=="x64"', {
# The AES assembler code doesn't work in static builds.
# The linker complains about non-relocatable code, and I
# currently don't know how to fix this properly.
'sources!': [
'intel-aes.s',
'intel-gcm.s',
],
}],
],
}],
],
},
{
'target_name': '<(freebl_name)',
'type': 'shared_library',
'includes': [
'freebl_base.gypi',
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports',
'hw-acc-crypto-avx',
'hw-acc-crypto-avx2',
],
'conditions': [
[ 'target_arch=="ia32" or target_arch=="x64"', {
'dependencies': [
'gcm-aes-x86_c_lib',
]
}, 'target_arch=="arm" or target_arch=="arm64" or target_arch=="aarch64"', {
'dependencies': [
'armv8_c_lib',
],
}],
[ '(target_arch=="ia32" or target_arch=="x64") and disable_intel_hw_sha==0', {
'dependencies': [
'sha-x86_c_lib',
],
}],
[ 'disable_arm32_neon==0 and target_arch=="arm"', {
'dependencies': [
'gcm-aes-arm32-neon_c_lib',
],
}],
[ 'disable_arm32_neon==1 and target_arch=="arm"', {
'defines!': [
'NSS_DISABLE_ARM32_NEON',
],
}],
[ 'target_arch=="arm64" or target_arch=="aarch64"', {
'dependencies': [
'gcm-aes-aarch64_c_lib',
],
}],
[ 'disable_altivec==0', {
'conditions': [
[ 'target_arch=="ppc64"', {
'dependencies': [
'gcm-aes-ppc_c_lib',
'gcm-sha512-nodepend-ppc_c_lib',
],
}, 'target_arch=="ppc64le"', {
'dependencies': [
'gcm-aes-ppc_c_lib',
'gcm-sha512-nodepend-ppc_c_lib',
'ppc-gcm-wrap-nodepend_c_lib',
],
}],
],
}],
[ 'disable_altivec==1 and (target_arch=="ppc64" or target_arch=="ppc64le")', {
'defines!': [
'NSS_DISABLE_ALTIVEC',
],
}],
[ 'disable_crypto_vsx==1 and (target_arch=="ppc" or target_arch=="ppc64" or target_arch=="ppc64le")', {
'defines!': [
'NSS_DISABLE_CRYPTO_VSX',
],
}],
[ 'OS!="linux"', {
'conditions': [
[ 'moz_fold_libs==0', {
'dependencies': [
'<(DEPTH)/lib/util/util.gyp:nssutil3',
],
}, {
'libraries': [
'<(moz_folded_library_name)',
],
}],
],
}],
[ '(OS=="linux" or OS=="android") and target_arch=="x64"', {
'dependencies': [
'intel-gcm-wrap_c_lib',
],
}],
[ 'OS=="win" and (target_arch=="ia32" or target_arch=="x64") and cc_is_clang==1', {
'dependencies': [
'intel-gcm-wrap_c_lib',
],
}],
[ 'OS=="linux"', {
'sources': [
'nsslowhash.c',
'stubs.c',
],
}],
],
'variables': {
'conditions': [
[ 'OS=="linux"', {
'mapfile': 'freebl_hash_vector.def',
}, {
'mapfile': 'freebl.def',
}],
]
},
},
{
'target_name': 'freebl_64int_3',
'includes': [
'freebl_base.gypi',
],
'type': 'shared_library',
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports',
'hw-acc-crypto-avx',
'hw-acc-crypto-avx2',
],
},
{
'target_name': 'freebl_64fpu_3',
'includes': [
'freebl_base.gypi',
],
'type': 'shared_library',
'sources': [
'mpi/mpi_sparc.c',
'mpi/mpv_sparcv9.s',
'mpi/montmulfv9.s',
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports',
'hw-acc-crypto-avx',
'hw-acc-crypto-avx2',
],
'asflags_mozilla': [
'-mcpu=v9', '-Wa,-xarch=v9a'
],
'defines': [
'MP_NO_MP_WORD',
'MP_USE_UINT_DIGIT',
'MP_ASSEMBLY_MULTIPLY',
'MP_USING_MONT_MULF',
'MP_MONT_USE_MP_MUL',
],
},
],
'conditions': [
[ 'OS=="linux"', {
# stub build
'targets': [
{
'target_name': 'freebl3',
'type': 'shared_library',
'defines': [
'FREEBL_NO_DEPEND',
],
'sources': [
'lowhash_vector.c'
],
'dependencies': [
'<(DEPTH)/exports.gyp:nss_exports'
],
'variables': {
'mapfile': 'freebl_hash.def'
}
},
],
}],
],
'target_defaults': {
'include_dirs': [
'mpi',
'ecl',
'verified',
'verified/internal',
'verified/karamel/include',
'verified/karamel/krmllib/dist/minimal',
'deprecated',
],
'defines': [
'SHLIB_SUFFIX=\"<(dll_suffix)\"',
'SHLIB_PREFIX=\"<(dll_prefix)\"',
'SHLIB_VERSION=\"3\"',
'SOFTOKEN_SHLIB_VERSION=\"3\"',
'RIJNDAEL_INCLUDE_TABLES',
'MP_API_COMPATIBLE'
],
'conditions': [
[ 'OS=="win" and target_arch=="ia32"', {
'msvs_settings': {
'VCCLCompilerTool': {
#TODO: -Ox optimize flags
'PreprocessorDefinitions': [
'MP_ASSEMBLY_MULTIPLY',
'MP_ASSEMBLY_SQUARE',
'MP_ASSEMBLY_DIV_2DX1D',
'MP_USE_UINT_DIGIT',
'MP_NO_MP_WORD',
'USE_HW_AES',
'INTEL_GCM',
],
},
},
}],
[ 'OS=="win" and target_arch=="x64"', {
'msvs_settings': {
'VCCLCompilerTool': {
#TODO: -Ox optimize flags
'PreprocessorDefinitions': [
# Should be copied to mingw defines below
'MP_IS_LITTLE_ENDIAN',
'NSS_BEVAND_ARCFOUR',
'MPI_AMD64',
'MP_ASSEMBLY_MULTIPLY',
'NSS_USE_COMBA',
'USE_HW_AES',
'INTEL_GCM',
],
},
},
}],
[ '(OS=="win" or OS=="mac" or OS=="ios") and (target_arch=="ia32" or target_arch=="x64") and disable_intel_hw_sha==0', {
'defines': [
'USE_HW_SHA2',
],
}],
[ '(OS=="win" or OS=="mac" or OS=="ios") and (target_arch=="arm64" or target_arch=="aarch64") and disable_arm_hw_aes==0', {
'defines': [
'USE_HW_AES',
],
}],
[ '(OS=="win" or OS=="mac" or OS=="ios") and (target_arch=="arm64" or target_arch=="aarch64") and disable_arm_hw_sha1==0', {
'defines': [
'USE_HW_SHA1',
],
}],
[ '(OS=="win" or OS=="mac" or OS=="ios") and (target_arch=="arm64" or target_arch=="aarch64") and disable_arm_hw_sha2==0', {
'defines': [
'USE_HW_SHA2',
],
}],
[ 'cc_use_gnu_ld==1 and OS=="win" and target_arch=="x64"', {
# mingw x64
'defines': [
'MP_IS_LITTLE_ENDIAN',
],
}],
# Poly1305_256 requires the flag to run
['target_arch=="x64"', {
'defines':[
'HACL_CAN_COMPILE_VEC128',
'HACL_CAN_COMPILE_VEC256',
'HACL_CAN_COMPILE_INTRINSICS',
],
}],
# MSVC has no __int128 type. Use emulated int128 and leave
# have_int128_support as-is for Curve25519 impl. selection.
[ 'have_int128_support==1 and (OS!="win" or cc_is_clang==1 or cc_is_gcc==1)', {
'defines': [
# The Makefile does version-tests on GCC, but we're not doing that here.
'HAVE_INT128_SUPPORT',
'HACL_CAN_COMPILE_UINT128'
],
}, {
'defines': [
'KRML_VERIFIED_UINT128',
],
}],
[ 'OS=="linux"', {
'defines': [
'FREEBL_LOWHASH',
'FREEBL_NO_DEPEND',
],
'conditions': [
[ 'disable_altivec==0 and target_arch=="ppc64le"', {
'defines': [
'PPC_GCM',
],
}],
],
}],
[ 'OS=="linux" or OS=="android"', {
'conditions': [
[ 'target_arch=="x64"', {
'defines': [
'MP_IS_LITTLE_ENDIAN',
'NSS_BEVAND_ARCFOUR',
'MPI_AMD64',
'MP_ASSEMBLY_MULTIPLY',
'NSS_USE_COMBA',
],
}],
[ 'target_arch=="x64"', {
'defines': [
'USE_HW_AES',
'INTEL_GCM',
],
}],
[ 'target_arch=="ia32"', {
'defines': [
'MP_IS_LITTLE_ENDIAN',
'MP_ASSEMBLY_MULTIPLY',
'MP_ASSEMBLY_SQUARE',
'MP_ASSEMBLY_DIV_2DX1D',
'MP_USE_UINT_DIGIT',
],
}],
[ 'target_arch=="arm"', {
'defines': [
'MP_ASSEMBLY_MULTIPLY',
'MP_ASSEMBLY_SQUARE',
'MP_USE_UINT_DIGIT',
'SHA_NO_LONG_LONG',
'ARMHF',
],
}],
[ 'disable_intel_hw_sha==0 and (target_arch=="ia32" or target_arch=="x64")', {
'defines': [
'USE_HW_SHA2',
],
}],
[ 'disable_arm_hw_aes==0 and (target_arch=="arm" or target_arch=="arm64" or target_arch=="aarch64")', {
'defines': [
'USE_HW_AES',
],
}],
[ 'disable_arm_hw_sha1==0 and (target_arch=="arm" or target_arch=="arm64" or target_arch=="aarch64")', {
'defines': [
'USE_HW_SHA1',
],
}],
[ 'disable_arm_hw_sha2==0 and (target_arch=="arm" or target_arch=="arm64" or target_arch=="aarch64")', {
'defines': [
'USE_HW_SHA2',
],
}],
],
}],
],
},
'variables': {
'module': 'nss',
'conditions': [
[ 'target_arch=="x64" or target_arch=="arm64" or target_arch=="aarch64"', {
'have_int128_support%': 1,
}, {
'have_int128_support%': 0,
}],
[ 'target_arch=="arm"', {
# When the compiler uses the softfloat ABI, we want to use the compatible softfp ABI when enabling NEON for these objects.
# Confusingly, __SOFTFP__ is the name of the define for the softfloat ABI, not for the softfp ABI.
'softfp_cflags': '<!(sh -c "${CC:-cc} -o - -E -dM - ${CFLAGS} < /dev/null | grep __SOFTFP__ > /dev/null && echo -mfloat-abi=softfp || true")',
}],
[ 'target_arch=="ppc64" or target_arch=="ppc64le"', {
'ppc_abi': '<!(sh -c "${CC:-cc} -dM -E - < /dev/null | awk \'\\$2 == \\"_CALL_ELF\\" {print \\$3}\'")',
}],
],
}
}