diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 115 |
1 files changed, 72 insertions, 43 deletions
diff --git a/configure.ac b/configure.ac index bc2ebf6583f..b0f17f9286b 100644 --- a/configure.ac +++ b/configure.ac @@ -207,13 +207,6 @@ if test "x$enable_debug" = xyes; then CXXFLAGS="$CXXFLAGS -g" fi fi -dnl These will be used near the end in the arch specific options -AC_ARG_ENABLE([asm], - [AS_HELP_STRING([--disable-asm], - [disable assembly usage @<:@default=enabled on supported plaforms@:>@])], - [enable_asm="$enableval"], - [enable_asm=yes] -) dnl dnl library names @@ -809,62 +802,98 @@ fi AC_SUBST([APP_LIB_DEPS]) AC_SUBST([PROGRAM_DIRS]) +dnl dnl Arch/platform-specific settings -PIC_FLAGS="" +dnl +AC_ARG_ENABLE([asm], + [AS_HELP_STRING([--disable-asm], + [disable assembly usage @<:@default=enabled on supported plaforms@:>@])], + [enable_asm="$enableval"], + [enable_asm=yes] +) +asm_arch="" ASM_FLAGS="" ASM_SOURCES="" ASM_API="" -AC_SUBST([PIC_FLAGS]) -AC_SUBST([ASM_FLAGS]) -AC_SUBST([ASM_SOURCES]) -AC_SUBST([ASM_API]) -case "$host_os" in -linux*) - PIC_FLAGS="-fPIC" +AC_MSG_CHECKING([whether to enable assembly]) +test "x$enable_asm" = xno && AC_MSG_RESULT([no]) +# disable if cross compiling on x86/x86_64 since we must run gen_matypes +if test "x$enable_asm" = xyes && test "x$cross_compiling" = xyes; then case "$host_cpu" in - i*86) - if test "x$enable_asm" = xyes; then - ASM_FLAGS="-DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM" - ASM_SOURCES='$(X86_SOURCES)' - ASM_API='$(X86_API)' - fi + i?86 | x86_64) + enable_asm=no + AC_MSG_RESULT([no, cross compiling]) + ;; + esac +fi +# check for supported arches +if test "x$enable_asm" = xyes; then + case "$host_cpu" in + i?86) + case "$host_os" in + linux* | freebsd* | dragonfly*) + test "x$enable_64bit" = xyes && asm_arch=x86_64 || asm_arch=x86 + ;; + esac ;; x86_64) - if test "x$enable_asm" = xyes; then - ASM_FLAGS="-DUSE_X86_64_ASM" - ASM_SOURCES='$(X86-64_SOURCES)' - ASM_API='$(X86-64_API)' - fi + case "$host_os" in + linux* | freebsd* | dragonfly*) + test "x$enable_32bit" = xyes && asm_arch=x86 || asm_arch=x86_64 + ;; + esac ;; powerpc) - if test "x$enable_asm" = xyes; then - ASM_FLAGS="-DUSE_PPC_ASM -DUSE_VMX_ASM" - ASM_SOURCES='$(PPC_SOURCES)' - fi + case "$host_os" in + linux*) + asm_arch=ppc + ;; + esac + ;; + esac + + case "$asm_arch" in + x86) + ASM_FLAGS="-DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM" + ASM_SOURCES='$(X86_SOURCES)' + ASM_API='$(X86_API)' + AC_MSG_RESULT([yes, x86]) + ;; + x86_64) + ASM_FLAGS="-DUSE_X86_64_ASM" + ASM_SOURCES='$(X86-64_SOURCES)' + ASM_API='$(X86-64_API)' + AC_MSG_RESULT([yes, x86_64]) + ;; + ppc) + ASM_FLAGS="-DUSE_PPC_ASM -DUSE_VMX_ASM" + ASM_SOURCES='$(PPC_SOURCES)' + AC_MSG_RESULT([yes, ppc]) + ;; + *) + AC_MSG_RESULT([no, platform not supported]) ;; esac +fi +AC_SUBST([ASM_FLAGS]) +AC_SUBST([ASM_SOURCES]) +AC_SUBST([ASM_API]) + +PIC_FLAGS="" +case "$host_os" in +linux*) + PIC_FLAGS="-fPIC" ;; freebsd* | dragonfly*) PIC_FLAGS="-fPIC" case "$host_cpu" in - i*86) + i?86) PIC_FLAGS="" - if test "x$enable_asm" = xyes; then - ASM_FLAGS="-DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM" - ASM_SOURCES='$(X86_SOURCES)' - ASM_API='$(X86_API)' - fi - ;; - x86_64) - if test "x$enable_asm" = xyes; then - ASM_FLAGS="-DUSE_X86_64_ASM" - ASM_SOURCES='$(X86-64_SOURCES)' - ASM_API='$(X86-64_API)' - fi ;; esac ;; esac +AC_SUBST([PIC_FLAGS]) dnl Restore LDFLAGS and CPPFLAGS LDFLAGS="$_SAVE_LDFLAGS" |