diff options
Diffstat (limited to 'm4/expl.m4')
| -rw-r--r-- | m4/expl.m4 | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/m4/expl.m4 b/m4/expl.m4 index 698a9fb8ad..ba1143ee3c 100644 --- a/m4/expl.m4 +++ b/m4/expl.m4 @@ -1,4 +1,4 @@ -# expl.m4 serial 1 +# expl.m4 serial 2 dnl Copyright (C) 2010 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -14,12 +14,14 @@ AC_DEFUN([gl_FUNC_EXPL], AC_CACHE_CHECK([whether expl() can be used without linking with libm], [gl_cv_func_expl_no_libm], [ - AC_TRY_LINK([#ifndef __NO_MATH_INLINES - # define __NO_MATH_INLINES 1 /* for glibc */ - #endif - #include <math.h> - long double x;], - [return expl (x) > 1.5;], + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#ifndef __NO_MATH_INLINES + # define __NO_MATH_INLINES 1 /* for glibc */ + #endif + #include <math.h> + long double x;]], + [[return expl (x) > 1.5;]])], [gl_cv_func_expl_no_libm=yes], [gl_cv_func_expl_no_libm=no]) ]) @@ -29,12 +31,14 @@ AC_DEFUN([gl_FUNC_EXPL], [ save_LIBS="$LIBS" LIBS="$LIBS -lm" - AC_TRY_LINK([#ifndef __NO_MATH_INLINES - # define __NO_MATH_INLINES 1 /* for glibc */ - #endif - #include <math.h> - long double x;], - [return expl (x) > 1.5;], + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#ifndef __NO_MATH_INLINES + # define __NO_MATH_INLINES 1 /* for glibc */ + #endif + #include <math.h> + long double x;]], + [[return expl (x) > 1.5;]])], [gl_cv_func_expl_in_libm=yes], [gl_cv_func_expl_in_libm=no]) LIBS="$save_LIBS" |