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| author | enge <enge@211d60ee-9f03-0410-a15a-8952a2c7a4e4> | 2011-07-13 12:13:04 +0000 |
|---|---|---|
| committer | enge <enge@211d60ee-9f03-0410-a15a-8952a2c7a4e4> | 2011-07-13 12:13:04 +0000 |
| commit | 3fe7c2612c5f6a3c5cb7b20f4b020ab52da6c598 (patch) | |
| tree | 3e8bee7d77bd7883b289e82fced9764709768c37 /configure.ac | |
| parent | c10f39f9a49de2630a535cb56327b259563cb864 (diff) | |
| download | mpc-3fe7c2612c5f6a3c5cb7b20f4b020ab52da6c598.tar.gz | |
configure.ac, mpc.m4: to test for complex.h, always compile a test programme
closes bug #12829
git-svn-id: svn://scm.gforge.inria.fr/svn/mpc/trunk@1013 211d60ee-9f03-0410-a15a-8952a2c7a4e4
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/configure.ac b/configure.ac index 4aa8431..c382ed6 100644 --- a/configure.ac +++ b/configure.ac @@ -121,32 +121,15 @@ esac # Checks for header files. AC_HEADER_STDC -AC_CHECK_HEADERS([complex.h locale.h inttypes.h stdint.h limits.h unistd.h sys/time.h]) +AC_CHECK_HEADERS([locale.h inttypes.h stdint.h limits.h unistd.h sys/time.h]) AC_HEADER_TIME +MPC_COMPLEX_H # Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_TYPE_SIZE_T # Checks for libraries. -AC_CHECK_HEADERS( - [complex.h], - [ - AC_MSG_CHECKING(whether creal and cimag can be used without libm) - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[#include <complex.h>]], - [[complex double x = 1.0 + 2.0 * I; return (creal (x) + cimag (x));]] - )], - [AC_MSG_RESULT([yes])], - [ - AC_MSG_RESULT([no]) - AC_CHECK_LIB([m], [creal]) - ] - ) - ] - ) - AC_CHECK_LIB([gmp], [__gmpz_init], [LIBS="-lgmp $LIBS"], [AC_MSG_ERROR([libgmp not found or uses a different ABI.])]) |