Mercurial > sdl-ios-xcode
diff configure.in @ 3390:802e5d85b90c
Debian patch: 050_altivec_detection.diff
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 13 Oct 2009 06:33:46 +0000 |
| parents | be67ddef6617 |
| children | 188fc5ecc58c |
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--- a/configure.in Tue Oct 13 06:28:31 2009 +0000 +++ b/configure.in Tue Oct 13 06:33:46 2009 +0000 @@ -468,64 +468,66 @@ AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]), , enable_altivec=yes) if test x$enable_altivec = xyes; then - have_altivec_h_hdr=no - AC_CHECK_HEADER(altivec.h, have_altivec_h_hdr=yes) - save_CFLAGS="$CFLAGS" have_gcc_altivec=no - AC_MSG_CHECKING(for Altivec with GCC -maltivec option) + have_altivec_h_hdr=no altivec_CFLAGS="-maltivec" CFLAGS="$save_CFLAGS $altivec_CFLAGS" - if test x$have_altivec_h_hdr = xyes; then - AC_TRY_COMPILE([ - #include <altivec.h> - vector unsigned int vzero() { - return vec_splat_u32(0); - } - ],[ - ],[ - have_gcc_altivec=yes - ]) - AC_MSG_RESULT($have_gcc_altivec) - else - AC_TRY_COMPILE([ - vector unsigned int vzero() { - return vec_splat_u32(0); - } - ],[ - ],[ - have_gcc_altivec=yes - ]) - AC_MSG_RESULT($have_gcc_altivec) + AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option) + AC_TRY_COMPILE([ + #include <altivec.h> + vector unsigned int vzero() { + return vec_splat_u32(0); + } + ],[ + ],[ + have_gcc_altivec=yes + have_altivec_h_hdr=yes + ]) + AC_MSG_RESULT($have_gcc_altivec) + + if test x$have_gcc_altivec = xno; then + AC_MSG_CHECKING(for Altivec with GCC -maltivec option) + AC_TRY_COMPILE([ + vector unsigned int vzero() { + return vec_splat_u32(0); + } + ],[ + ],[ + have_gcc_altivec=yes + ]) + AC_MSG_RESULT($have_gcc_altivec) fi if test x$have_gcc_altivec = xno; then + AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option) + altivec_CFLAGS="-faltivec" + CFLAGS="$save_CFLAGS $altivec_CFLAGS" + AC_TRY_COMPILE([ + #include <altivec.h> + vector unsigned int vzero() { + return vec_splat_u32(0); + } + ],[ + ],[ + have_gcc_altivec=yes + have_altivec_h_hdr=yes + ]) + AC_MSG_RESULT($have_gcc_altivec) + fi + + if test x$have_gcc_altivec = xno; then AC_MSG_CHECKING(for Altivec with GCC -faltivec option) - altivec_CFLAGS="-faltivec" - CFLAGS="$save_CFLAGS $altivec_CFLAGS" - if test x$have_altivec_h_hdr = xyes; then - AC_TRY_COMPILE([ - #include <altivec.h> - vector unsigned int vzero() { - return vec_splat_u32(0); - } - ],[ - ],[ - have_gcc_altivec=yes - ]) - AC_MSG_RESULT($have_gcc_altivec) - else - AC_TRY_COMPILE([ - vector unsigned int vzero() { - return vec_splat_u32(0); - } - ],[ - ],[ - have_gcc_altivec=yes - ]) - AC_MSG_RESULT($have_gcc_altivec) - fi + AC_TRY_COMPILE([ + vector unsigned int vzero() { + return vec_splat_u32(0); + } + ],[ + ],[ + have_gcc_altivec=yes + ]) + AC_MSG_RESULT($have_gcc_altivec) fi CFLAGS="$save_CFLAGS"