diff options
Diffstat (limited to 'gcc-4.8/config/math.m4')
| -rw-r--r-- | gcc-4.8/config/math.m4 | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/gcc-4.8/config/math.m4 b/gcc-4.8/config/math.m4 deleted file mode 100644 index 23835f230..000000000 --- a/gcc-4.8/config/math.m4 +++ /dev/null @@ -1,50 +0,0 @@ -dnl GCC_CHECK_LIBM -dnl -dnl Check whether -lm is available. This is a pre-requisite for -dnl GCC_CHECK_MATH_FUNC so that it will link with -lm. -AC_DEFUN([GCC_CHECK_LIBM], -[AC_CHECK_LIB([m],[sin])]) - -dnl GCC_CHECK_MATH_HEADERS -dnl -dnl Check for math.h and complex.h. This is a pre-requisite for -dnl GCC_CHECK_MATH_FUNC so that it includes the right headers. -dnl (Some systems, such as AIX or OpenVMS may define macro for math -dnl functions). -AC_DEFUN([GCC_CHECK_MATH_HEADERS], -[AC_CHECK_HEADERS_ONCE(math.h complex.h)]) - -dnl GCC_CHECK_MATH_FUNC([name]) -dnl -dnl Check whether math function NAME is available on the system (by compiling -dnl and linking a C program) and run define HAVE_name on success. -dnl -dnl Note that OpenVMS system insists on including complex.h before math.h -AC_DEFUN([GCC_CHECK_MATH_FUNC], -[ - AC_REQUIRE([GCC_CHECK_LIBM]) - AC_REQUIRE([GCC_CHECK_MATH_HEADERS]) - AC_CACHE_CHECK([for $1], [gcc_cv_math_func_$1], - [AC_LINK_IFELSE([ -#ifdef HAVE_COMPLEX_H -#include <complex.h> -#endif -#ifdef HAVE_MATH_H -#include <math.h> -#endif - -int (*ptr)() = (int (*)())$1; - -int -main () -{ - return 0; -} -], -[gcc_cv_math_func_$1=yes], -[gcc_cv_math_func_$1=no])]) - if test $gcc_cv_math_func_$1 = yes; then - AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_$1),[1], - [Define to 1 if you have the `$1' function.]) - fi -]) |