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configure: all code in AC_LANG_* macro should be double-bracketed. 

Autoconf doc says: "Note that the source is evaluated exactly once, like
regular Autoconf macro arguments, and therefore (i) you may pass a macro
invocation, (ii) if not, be sure to double quote if needed."
This commit is contained in:
Jehan 2017-02-02 20:06:24 +01:00
parent d33d80a518
commit 58260e5708
1 changed files with 7 additions and 7 deletions
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14
configure.ac
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@ -916,7 +916,7 @@ SSE2_EXTRA_CFLAGS="$SSE_MATH_CFLAG $SSE2_CFLAG"
CFLAGS="$intrinsics_save_CFLAGS $SSE2_EXTRA_CFLAGS"
AC_MSG_CHECKING(whether we can compile SSE2 intrinsics)
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <emmintrin.h>],[__m128i one = _mm_set1_epi32 (1);])],
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <emmintrin.h>]],[[__m128i one = _mm_set1_epi32 (1);]])],
AC_DEFINE(COMPILE_SSE2_INTRINISICS, 1, [Define to 1 if SSE2 intrinsics are available.])
AC_SUBST(SSE2_EXTRA_CFLAGS)
AC_MSG_RESULT(yes)
@ -931,7 +931,7 @@ SSE4_1_EXTRA_CFLAGS="$SSE_MATH_CFLAG $SSE4_1_CFLAG"
CFLAGS="$intrinsics_save_CFLAGS $SSE4_1_EXTRA_CFLAGS"
AC_MSG_CHECKING(whether we can compile SSE4.1 intrinsics)
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <smmintrin.h>],[__v4sf a, b, c; c = _mm_blend_ps(a, b, 0x08);])],
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <smmintrin.h>]],[[__v4sf a, b, c; c = _mm_blend_ps(a, b, 0x08);]])],
AC_DEFINE(COMPILE_SSE4_1_INTRINISICS, 1, [Define to 1 if SSE4.1 intrinsics are available.])
AC_SUBST(SSE4_1_EXTRA_CFLAGS)
AC_MSG_RESULT(yes)
@ -963,7 +963,7 @@ if test "x$enable_mmx" = xyes; then
mmx_save_CFLAGS="$CFLAGS"
CFLAGS="$mmx_save_CFLAGS $MMX_EXTRA_CFLAGS"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[asm ("movq 0, %mm0");])],
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[asm ("movq 0, %mm0");]])],
AC_DEFINE(USE_MMX, 1, [Define to 1 if MMX assembly is available.])
AC_MSG_RESULT(yes)
@ -976,7 +976,7 @@ if test "x$enable_mmx" = xyes; then
CFLAGS="$CFLAGS $sse_flag"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[asm ("movntps %xmm0, 0");])],
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[asm ("movntps %xmm0, 0");]])],
AC_DEFINE(USE_SSE, 1, [Define to 1 if SSE assembly is available.])
AC_MSG_RESULT(yes)
,
@ -1039,7 +1039,7 @@ if test "x$enable_altivec" = xyes; then
[Define to 1 if the altivec runtime test should use a sysctl.])
;;
*)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[asm ("vand %v0, %v0, %v0");])],
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[asm ("vand %v0, %v0, %v0");]])],
can_use_altivec=yes, can_use_altivec=no)
;;
esac
@ -1386,8 +1386,8 @@ if test -z "$BZIP2_LIBS"; then
[AC_MSG_CHECKING([for BZ2_bzCompress in -lbz2]);
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[#include <bzlib.h>],
[BZ2_bzCompress (NULL, 0);])],
[[#include <bzlib.h>]],
[[BZ2_bzCompress (NULL, 0);]])],
[AC_MSG_RESULT([yes]); BZIP2_LIBS='-lbz2'],
add_deps_error([libbzip2], [libbzip2 library not found]))],
add_deps_error([libbzip2], [libbzip2 header files not found]))