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configure: Condition options for clang compatibility.

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This commit is contained in:
Jason Volk 2019-06-21 02:26:00 -07:00
parent 4c95fc94a5
commit e1841a7159
1 changed files with 23 additions and 6 deletions
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29
configure.ac
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@ -522,8 +522,11 @@ AM_COND_IF([DEBUG],
[
CXXFLAGS+=" -g"
CXXFLAGS+=" -ggdb"
CXXFLAGS+=" -fvar-tracking"
CXXFLAGS+=" -fvar-tracking-assignments"
AM_COND_IF([GCC],
[
CXXFLAGS+=" -fvar-tracking"
CXXFLAGS+=" -fvar-tracking-assignments"
])
], [
AM_COND_IF([COMPACT],
[
@ -537,19 +540,33 @@ AM_COND_IF([DEBUG],
dnl Creates an ELF section in the output which contains a list of
dnl the command line arguments used for compilation.
CXXFLAGS+=" -frecord-gcc-switches"
AM_COND_IF([GCC],
[
CXXFLAGS+=" -frecord-gcc-switches"
])
AM_COND_IF([CLANG],
[
CXXFLAGS+=" -grecord-gcc-switches"
])
dnl CXXFLAGS+=" -mmpx"
dnl CXXFLAGS+=" -fcheck-pointer-bounds"
CXXFLAGS+=" -fchkp-instrument-marked-only"
CXXFLAGS+=" -fstack-protector-explicit"
AM_COND_IF([GCC],
[
CXXFLAGS+=" -fchkp-instrument-marked-only"
CXXFLAGS+=" -fstack-protector-explicit"
])
dnl -fvisibility-inlines-hidden - for optimization; note the address of inline
dnl functions won't be the same between translation units
CXXFLAGS+=" -fvisibility-inlines-hidden"
dnl see gcc(1)
CXXFLAGS+=" -fnothrow-opt"
AM_COND_IF([GCC],
[
CXXFLAGS+=" -fnothrow-opt"
])
dnl This disables thread-safety for static variable initialization
dnl (specifically local static variables inside functions) which reduces