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autoconf: Optional assembly usage with --disable-asm

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Allow the user to disable use of assembly code through the --disable-asm
option. This is only relevant on the platforms where assembly is
normally enabled such as Linux and FreeBSD.
This commit is contained in:
Dan Nicholson 2007-12-12 09:02:31 -08:00
parent 16a07fb556
commit 3e288627cb
1 changed files with 31 additions and 14 deletions
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45
configure.ac
View file

@ -149,6 +149,13 @@ 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="$enableval",
enable_asm=yes
)
dnl
dnl library names
@ -714,18 +721,24 @@ linux*)
PIC_FLAGS="-fPIC"
case "$host_cpu" in
i*86)
ASM_FLAGS="-DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM"
ASM_SOURCES='$(X86_SOURCES)'
ASM_API='$(X86_API)'
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='$(X86_API)'
fi
;;
x86_64)
ASM_FLAGS="-DUSE_X86_64_ASM"
ASM_SOURCES='$(X86-64_SOURCES)'
ASM_API='$(X86-64_API)'
if test "x$enable_asm" = xyes; then
ASM_FLAGS="-DUSE_X86_64_ASM"
ASM_SOURCES='$(X86-64_SOURCES)'
ASM_API='$(X86-64_API)'
fi
;;
powerpc)
ASM_FLAGS="-DUSE_PPC_ASM -DUSE_VMX_ASM"
ASM_SOURCES='$(PPC_SOURCES)'
if test "x$enable_asm" = xyes; then
ASM_FLAGS="-DUSE_PPC_ASM -DUSE_VMX_ASM"
ASM_SOURCES='$(PPC_SOURCES)'
fi
;;
esac
;;
@ -734,14 +747,18 @@ freebsd*)
case "$host_os" in
i*86)
PIC_FLAGS=""
ASM_FLAGS="-DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM"
ASM_SOURCES='$(X86_SOURCES)'
ASM_API='$(X86_API)'
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='$(X86_API)'
fi
;;
x86_64)
ASM_FLAGS="-DUSE_X86_64_ASM"
ASM_SOURCES='$(X86-64_SOURCES)'
ASM_API='$(X86-64_API)'
if test "x$enable_asm" = xyes; then
ASM_FLAGS="-DUSE_X86_64_ASM"
ASM_SOURCES='$(X86-64_SOURCES)'
ASM_API='$(X86-64_API)'
fi
;;
esac
;;