From: Tanu Kaskinen Date: Sat, 12 Oct 2013 09:45:09 +0000 (+0300) Subject: build-sys: Don't define _FORTIFY_SOURCE when building with -O0 X-Git-Url: https://code.delx.au/pulseaudio/commitdiff_plain/9305286ad80bba12c721fa3473f718444190edb1 build-sys: Don't define _FORTIFY_SOURCE when building with -O0 --- diff --git a/configure.ac b/configure.ac index 42cb8b8e..e2465e4d 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 ####