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| author | Charles Karney <charles@karney.com> | 2018-03-23 06:34:48 -0400 |
|---|---|---|
| committer | Charles Karney <charles@karney.com> | 2018-03-23 06:34:48 -0400 |
| commit | b04abee685f38db9d1be15f8406ca79dabde7ee1 (patch) | |
| tree | b180f45a7922ef8cbb25ecc08f5753889b83c2d7 /configure.ac | |
| parent | 3cd307366ab86c3351d77ba5fd19d5a56e76d239 (diff) | |
| download | PROJ-b04abee685f38db9d1be15f8406ca79dabde7ee1.tar.gz PROJ-b04abee685f38db9d1be15f8406ca79dabde7ee1.zip | |
If HAVE_C99_MATH, define pj_is_nan as isnan.
Extend HAVE_C99_MATH checks in CMakeLists.txt and configure.ac to
include test for C99 function isnan.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 66da9d13..99a764db 100644 --- a/configure.ac +++ b/configure.ac @@ -44,7 +44,8 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM( [int q; return (int)(hypot(3.0, 4.0) + atanh(0.8) + cbrt(8.0) + remquo(100.0, 90.0, &q) + - remainder(100.0, 90.0) + copysign(1.0, -0.0));])], + remainder(100.0, 90.0) + copysign(1.0, -0.0)) + + isnan(0.0);])], [AC_MSG_RESULT([yes]);C99_MATH="-DHAVE_C99_MATH=1"], [AC_MSG_RESULT([no]);C99_MATH="-DHAVE_C99_MATH=0"]) CFLAGS="$save_CFLAGS $C99_MATH" |