summaryrefslogtreecommitdiff
path: root/src/configure.in
diff options
context:
space:
mode:
authorMarc G. Fournier1998-05-13 03:44:48 +0000
committerMarc G. Fournier1998-05-13 03:44:48 +0000
commit9391dd3698a02e0dbc43bdacb39b1be93fb6f9b0 (patch)
tree009a81ac2f6e11641fab965d4252e88e607e74af /src/configure.in
parent68f9c9819b160cb89f68e40f5be40fb144ac21e2 (diff)
Add a check for DBL_MIN problem...not sure if this is right...needs
testing...
Diffstat (limited to 'src/configure.in')
-rw-r--r--src/configure.in7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/configure.in b/src/configure.in
index fb7cbdbf1cc..33c3286d049 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -509,6 +509,13 @@ AC_TRY_LINK([#include <sys/types.h>
[AC_DEFINE(HAVE_UNION_SEMUN) AC_MSG_RESULT(yes)],
AC_MSG_RESULT(no))
+AC_MSG_CHECKING(DBL_MIN good)
+AC_TRY_RUN([#include <math.h>
+main()
+{ double d = DBL_MIN; if (d != DBL_MIN) exit -1; else exit 0; }],
+ AC_MSG_RESULT(yes),
+ [AC_MSG_RESULT(no) AC_DEFINE(HAVE_DBL_MIN_PROBLEM)])
+
dnl Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MEMCMP