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googletest: Pass -fPIC to CFLAGS
Fail to build re2 which depends on googletest as below: /build/tmp-glibc/work/core2-64-wrs-linux/re2/2024.03.01/recipe-sysroot-native/usr/bin/x86_64-wrs-linux/../../libexec/x86_64-wrs-linux/gcc/x86_64-wrs-linux/13.2.0/ld: /build/tmp-glibc/work/core2-64-wrs-linux/re2/2024.03.01/recipe-sysroot/usr/lib64/libgtest.a(gtest-all.cc.o): warning: relocation against `_ZTVN7testing8internal11MatcherBaseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEE' in read-only section `.text._ZN7testing8internal11MatcherBaseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED0Ev[_ZN7testing8internal11MatcherBaseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED5Ev]' /build/tmp-glibc/work/core2-64-wrs-linux/re2/2024.03.01/recipe-sysroot-native/usr/bin/x86_64-wrs-linux/../../libexec/x86_64-wrs-linux/gcc/x86_64-wrs-linux/13.2.0/ld: /build/tmp-glibc/work/core2-64-wrs-linux/re2/2024.03.01/recipe-sysroot/usr/lib64/libgtest.a(gtest-all.cc.o): relocation R_X86_64_PC32 against symbol `_ZTVN7testing8internal17TestEventRepeaterE' can not be used when making a shared object; recompile with -fPIC /build/tmp-glibc/work/core2-64-wrs-linux/re2/2024.03.01/recipe-sysroot-native/usr/bin/x86_64-wrs-linux/../../libexec/x86_64-wrs-linux/gcc/x86_64-wrs-linux/13.2.0/ld: final link failed: bad value collect2: error: ld returned 1 exit status So pass -fPIC to fix the above issue. Signed-off-by: Mingli Yu <mingli.yu@windriver.com> Signed-off-by: Khem Raj <raj.khem@gmail.com>
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@@ -16,6 +16,7 @@ inherit cmake pkgconfig
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#
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PACKAGECONFIG[shared] = "-DBUILD_SHARED_LIBS=ON,-DBUILD_SHARED_LIBS=OFF,,"
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CXXFLAGS:append = " -fPIC"
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ALLOW_EMPTY:${PN} = "1"
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ALLOW_EMPTY:${PN}-dbg = "1"
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