New module 'fmodf'.

[gnulib.git] / m4 / fmodf.m4

diff --git a/m4/fmodf.m4 b/m4/fmodf.m4
new file mode 100644 (file)
index 0000000..2666d78
--- /dev/null
+++ b/m4/fmodf.m4
@@ -0,0 +1,25 @@
+# fmodf.m4 serial 1
+dnl Copyright (C) 2011 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_FMODF],
+[
+  AC_REQUIRE([gl_MATH_H_DEFAULTS])
+  AC_REQUIRE([gl_FUNC_FMOD])
+
+  dnl Test whether fmodf() exists. Assume that fmodf(), if it exists, is
+  dnl defined in the same library as fmod().
+  save_LIBS="$LIBS"
+  LIBS="$LIBS $FMOD_LIBM"
+  AC_CHECK_FUNCS([fmodf])
+  LIBS="$save_LIBS"
+  if test $ac_cv_func_fmodf = yes; then
+    FMODF_LIBM="$FMOD_LIBM"
+  else
+    HAVE_FMODF=0
+    FMODF_LIBM="$FMOD_LIBM"
+  fi
+  AC_SUBST([FMODF_LIBM])
+])