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build-sys: allow lto and FORTIFY_SOURCE with -O[sz]

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https://bugs.freedesktop.org/show_bug.cgi?id=89382
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2015-03-01 22:46:43 -05:00
parent 4d1d2f0858
commit 0289f2fb2a
1 changed files with 2 additions and 2 deletions
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4
configure.ac
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@ -208,13 +208,13 @@ AS_CASE([$CC], [*clang*],
-Wno-gnu-variable-sized-type-not-at-end \
])])
AS_CASE([$CFLAGS], [*-O[[12345\ ]]*],
AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
[CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
-flto -ffat-lto-objects])],
[AC_MSG_RESULT([skipping -flto, optimization not enabled])])
AC_SUBST([OUR_CFLAGS], "$with_cflags $sanitizer_cflags")
AS_CASE([$CFLAGS], [*-O[[12345\ ]]*],
AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
[CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
-Wp,-D_FORTIFY_SOURCE=2])],
[AC_MSG_RESULT([skipping -D_FORTIFY_SOURCE, optimization not enabled])])