diff options
Diffstat (limited to 'lcms2mt/configure.ac')
| -rw-r--r-- | lcms2mt/configure.ac | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/lcms2mt/configure.ac b/lcms2mt/configure.ac index 439ca550..3597178e 100644 --- a/lcms2mt/configure.ac +++ b/lcms2mt/configure.ac @@ -33,6 +33,7 @@ AM_INIT_AUTOMAKE([foreign 1.9 tar-ustar no-define dist-zip subdir-objects]) AC_PROG_CC_STDC AC_PROG_CPP AC_PROG_CXX +LT_INIT #AM_PROG_LD #AC_SUBST(LD) @@ -80,6 +81,9 @@ AX_APPEND_COMPILE_FLAGS(["-fvisibility=hidden"]) # Motorola and SPARC CPUs), define `WORDS_BIGENDIAN'. AC_C_BIGENDIAN +# Check for functions that some compilers lack (or name differently) +AC_CHECK_FUNCS([gmtime_r _gmtime64_s]) + # Point to JPEG installed in DIR or disable JPEG with --without-jpeg. AC_ARG_WITH(jpeg, AS_HELP_STRING([--with-jpeg=DIR],[use jpeg installed in DIR]), @@ -127,12 +131,15 @@ AC_ARG_WITH(fastfloat, AS_HELP_STRING([--with-fastfloat], [build and install fast_float plugin, use only if GPL 3.0 is acceptable]), [ - with_fastfloat='yes' - LIB_PLUGINS="$LIB_PLUGINS -llcms2_fast_float" + with_fastfloat=$withval ], [ with_fastfloat='no' ]) +if test "$with_fastfloat" == "yes" +then + LIB_PLUGINS="$LIB_PLUGINS -llcms2_fast_float" +fi # # Determine POSIX threads settings @@ -171,6 +178,19 @@ then fi fi +# check if compiler supports SSE2 intrinsics +AC_LANG_PUSH([C]) + +AC_MSG_CHECKING([whether compiler supports SSE2]) +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ + #include <emmintrin.h> + main() { __m128i n = _mm_set1_epi8(42); }]])], + [ac_compiler_supports_sse2=yes], [ac_compiler_supports_sse2=no]) +AC_MSG_RESULT([$ac_compiler_supports_sse2]) +AS_IF([test "x$ac_compiler_supports_sse2" != "xyes"], + [AC_DEFINE([CMS_DONT_USE_SSE2], [1], [Define if compiler does not support SSE2 intrinsics])]) + +AC_LANG_POP([C]) # # Find math library |