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Make pulse compile with clang

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This fixes the checking of supported compiler flags and the following error message for svolume_mmx:

pulsecore/svolume_mmx.c:157:76: error: invalid use of a cast in a inline asm context requiring an l-value:
  remove the cast or build with -fheinous-gnu-extensions
        : "+r" (samples), "+r" (volumes), "+r" (length), "=D" ((pa_reg_x86)channel), "=&r" (temp)
                                                               ~~~~~~~~~~~~^~~~~~~
This commit is contained in:
Maarten Bosmans 2011-03-14 16:27:03 +01:00 • committed by Colin Guthrie
parent 684b89c639
commit 1afd233630
2 changed files with 8 additions and 2 deletions
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6
configure.ac
View file

@ -102,7 +102,13 @@ if test "x$M4" = xno ; then
fi
dnl Compiler flags
# Some compilers (e.g. clang) default to a warning on an unkown command line option.
# Change that temporarily to an error, for the CC_CHECK_CFLAGS_APPEND macro to work.
save_CC="$CC"
CC="$CC -Werror"
CC_CHECK_CFLAGS_APPEND([-Wall -W -Wextra -pipe -Wno-long-long -Wvla -Wno-overlength-strings -Wunsafe-loop-optimizations -Wundef -Wformat=2 -Wlogical-op -Wsign-compare -Wformat-security -Wmissing-include-dirs -Wformat-nonliteral -Wold-style-definition -Wpointer-arith -Winit-self -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow -Wendif-labels -Wcast-align -Wstrict-aliasing -Wwrite-strings -Wno-unused-parameter -ffast-math -Wp,-D_FORTIFY_SOURCE=2 -fno-common -fdiagnostics-show-option])
CC="$save_CC"
dnl Linker flags.
dnl Check whether the linker supports the -version-script option.

4
src/pulsecore/svolume_mmx.c
View file

@ -154,7 +154,7 @@ static void pa_volume_s16ne_mmx(int16_t *samples, int32_t *volumes, unsigned cha
"6: \n\t"
" emms \n\t"
: "+r" (samples), "+r" (volumes), "+r" (length), "=D" ((pa_reg_x86)channel), "=&r" (temp)
: "+r" (samples), "+r" (volumes), "+r" (length), "=D" (channel), "=&r" (temp)
: "rm" ((pa_reg_x86)channels)
: "cc"
);
@ -229,7 +229,7 @@ static void pa_volume_s16re_mmx(int16_t *samples, int32_t *volumes, unsigned cha
"6: \n\t"
" emms \n\t"
: "+r" (samples), "+r" (volumes), "+r" (length), "=D" ((pa_reg_x86)channel), "=&r" (temp)
: "+r" (samples), "+r" (volumes), "+r" (length), "=D" (channel), "=&r" (temp)
: "rm" ((pa_reg_x86)channels)
: "cc"
);