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configure.ac : Improve asm optimisation detection. 

When compiling for ia32 on an x86_64 kernel, the configure script
was not detecting the ability to do asm optimisations because the
configure script was detecting the x86_64 kernel not the ia32
user space.
This commit is contained in:
Erik de Castro Lopo 2013-08-11 21:46:18 +10:00
parent 5797009fa2
commit 1ec41a97da
1 changed files with 23 additions and 8 deletions
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31
configure.ac
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@ -81,6 +81,14 @@ AC_DEFINE_UNQUOTED(CPU_IS_LITTLE_ENDIAN, ${ac_cv_c_little_endian},
AC_DEFINE_UNQUOTED(WORDS_BIGENDIAN, ${ac_cv_c_big_endian},
[Target processor is big endian.])
AC_ARG_ENABLE(asm-optimizations, AC_HELP_STRING([--disable-asm-optimizations], [Don't use any assembly optimization routines]), asm_opt=no, asm_opt=yes)
dnl ' Terminate the damn single quote
AM_CONDITIONAL(FLaC__NO_ASM, test "x$asm_opt" = xno)
if test "x$asm_opt" = xno ; then
AC_DEFINE(FLAC__NO_ASM)
AH_TEMPLATE(FLAC__NO_ASM, [define to disable use of assembly code])
fi
# For the XMMS plugin.
AC_CHECK_TYPES(socklen_t, [], [])
@ -88,21 +96,35 @@ dnl check for getopt in standard library
dnl AC_CHECK_FUNCS(getopt_long , , [LIBOBJS="$LIBOBJS getopt.o getopt1.o"] )
AC_CHECK_FUNCS(getopt_long, [], [])
AC_CHECK_SIZEOF(void*,1)
asm_optimisation=no
case "$host_cpu" in
x86_64)
if test $ac_cv_sizeof_voidp = 4 ; then
cpu_ia32=true
AC_DEFINE(FLAC__CPU_IA32)
AH_TEMPLATE(FLAC__CPU_IA32, [define if building for ia32/i386])
asm_optimisation=$asm_opt
fi
;;
i*86)
cpu_ia32=true
AC_DEFINE(FLAC__CPU_IA32)
AH_TEMPLATE(FLAC__CPU_IA32, [define if building for ia32/i386])
asm_optimisation=$asm_opt
;;
powerpc|powerpc64)
cpu_ppc=true
AC_DEFINE(FLAC__CPU_PPC)
AH_TEMPLATE(FLAC__CPU_PPC, [define if building for PowerPC])
asm_optimisation=$asm_opt
;;
sparc)
cpu_sparc=true
AC_DEFINE(FLAC__CPU_SPARC)
AH_TEMPLATE(FLAC__CPU_SPARC, [define if building for SPARC])
asm_optimisation=$asm_opt
;;
esac
AM_CONDITIONAL(FLaC__CPU_IA32, test "x$cpu_ia32" = xtrue)
@ -156,14 +178,6 @@ AC_DEFINE(FLAC__ALIGN_MALLOC_DATA)
AH_TEMPLATE(FLAC__ALIGN_MALLOC_DATA, [define to align allocated memory on 32-byte boundaries])
fi
AC_ARG_ENABLE(asm-optimizations, AC_HELP_STRING([--disable-asm-optimizations], [Don't use any assembly optimization routines]), asm_opt=no, asm_opt=yes)
dnl ' Terminate the damn single quote
AM_CONDITIONAL(FLaC__NO_ASM, test "x$asm_opt" = xno)
if test "x$asm_opt" = xno ; then
AC_DEFINE(FLAC__NO_ASM)
AH_TEMPLATE(FLAC__NO_ASM, [define to disable use of assembly code])
fi
AC_ARG_ENABLE(debug,
AC_HELP_STRING([--enable-debug], [Turn on debugging]),
[case "${enableval}" in
@ -488,4 +502,5 @@ AC_MSG_RESULT([
if test x$ac_cv_c_compiler_gnu = xyes ; then
echo " GCC version : ......................... ${GCC_VERSION}"
fi
echo " Asm optimiizations : .................. ${asm_optimisation}"
echo