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| author | Tom Lane | 1999-10-02 17:45:31 +0000 |
|---|---|---|
| committer | Tom Lane | 1999-10-02 17:45:31 +0000 |
| commit | 1f122a7c4c9562dfe31b9a2c44b5b843bfca40bd (patch) | |
| tree | 3c5a40f5820aa7b6441baff23bc504ee60fdbcbe /src/configure.in | |
| parent | 54204e6c78f3a227ee1769908524d15d8fe2d0b8 (diff) | |
Replace float.c's #ifdef finite check with a proper autoconf check, so it
works if finite() is a function. Patch from Christof Petig.
Diffstat (limited to 'src/configure.in')
| -rw-r--r-- | src/configure.in | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/configure.in b/src/configure.in index 4db172b82d9..c0a7d5f4854 100644 --- a/src/configure.in +++ b/src/configure.in @@ -769,6 +769,12 @@ AC_CHECK_FUNC(rint, AC_DEFINE(HAVE_RINT), AC_CHECK_LIB(m, rint, AC_DEFINE(HAVE_RINT), , $HPUXMATHLIB)) +AC_MSG_CHECKING(for finite() macro or function) +AC_TRY_LINK([#include <math.h>], + [int dummy=finite(1.0);], + [AC_DEFINE(HAVE_FINITE) AC_MSG_RESULT(yes)], + AC_MSG_RESULT(no)) + dnl Check to see if we have a working 64-bit integer type. dnl This breaks down into two steps: dnl (1) figure out if the compiler has a 64-bit int type with working |