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m---------gnulib0
-rw-r--r--gnulib/m4/asinf.m425
2 files changed, 25 insertions, 0 deletions
diff --git a/gnulib b/gnulib
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-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/m4/asinf.m4 b/gnulib/m4/asinf.m4
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+++ b/gnulib/m4/asinf.m4
@@ -0,0 +1,25 @@
+# asinf.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_ASINF],
+[
+ AC_REQUIRE([gl_MATH_H_DEFAULTS])
+ AC_REQUIRE([gl_FUNC_ASIN])
+
+ dnl Test whether asinf() exists. Assume that asinf(), if it exists, is
+ dnl defined in the same library as asin().
+ save_LIBS="$LIBS"
+ LIBS="$LIBS $ASIN_LIBM"
+ AC_CHECK_FUNCS([asinf])
+ LIBS="$save_LIBS"
+ if test $ac_cv_func_asinf = yes; then
+ ASINF_LIBM="$ASIN_LIBM"
+ else
+ HAVE_ASINF=0
+ ASINF_LIBM="$ASIN_LIBM"
+ fi
+ AC_SUBST([ASINF_LIBM])
+])