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| author | Tanu Kaskinen <tanu.kaskinen@linux.intel.com> | 2013-10-12 12:45:09 +0300 |
|---|---|---|
| committer | Tanu Kaskinen <tanu.kaskinen@linux.intel.com> | 2013-10-29 20:37:23 +0200 |
| commit | 94c4034426d3d9d55d677b839bd62cc26baa3f08 (patch) | |
| tree | c408a5f87b00a270c876685fe4758c7ed3420f9a | |
| parent | e3485290eb9433a614a46df310a00f96c402a5d5 (diff) | |
build-sys: Don't define _FORTIFY_SOURCE when building with -O0
| -rw-r--r-- | configure.ac | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index c87ce2688..d72ff8ac6 100644 --- a/configure.ac +++ b/configure.ac @@ -165,12 +165,17 @@ esac #### Compiler flags #### AX_APPEND_COMPILE_FLAGS( - [-Wall -W -Wextra -pipe -Wno-long-long -Wno-overlength-strings -Wunsafe-loop-optimizations -Wundef -Wformat=2 -Wlogical-op -Wsign-compare -Wformat-security -Wmissing-include-dirs -Wformat-nonliteral -Wold-style-definition -Wpointer-arith -Winit-self -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow -Wendif-labels -Wcast-align -Wstrict-aliasing -Wwrite-strings -Wno-unused-parameter -ffast-math -Wp,-D_FORTIFY_SOURCE=2 -fno-common -fdiagnostics-show-option], + [-Wall -W -Wextra -pipe -Wno-long-long -Wno-overlength-strings -Wunsafe-loop-optimizations -Wundef -Wformat=2 -Wlogical-op -Wsign-compare -Wformat-security -Wmissing-include-dirs -Wformat-nonliteral -Wold-style-definition -Wpointer-arith -Winit-self -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow -Wendif-labels -Wcast-align -Wstrict-aliasing -Wwrite-strings -Wno-unused-parameter -ffast-math -fno-common -fdiagnostics-show-option], [], [-pedantic -Werror]) # Only enable fastpath asserts when doing a debug build, e.g. from bootstrap.sh. AS_CASE([" $CFLAGS "], [*" -O0 "*], [], [AX_APPEND_FLAG(["-DFASTPATH"], [CPPFLAGS])]) +# Only set _FORTIFY_SOURCE when optimizations are enabled. If optimizations +# are disabled, _FORTIFY_SOURCE doesn't do anything, and causes tons of +# warnings during compiling on some distributions (at least Fedora). +AS_CASE([" $CFLAGS "], [*" -O0 "*], [], [AX_APPEND_FLAG(["-D_FORTIFY_SOURCE=2"], [CPPFLAGS])]) + #### Linker flags #### |