1 files changed, 66 insertions, 0 deletions

diff --git a/gl/m4/math_h.m4 b/gl/m4/math_h.m4
new file mode 100644
index 00000000..dd99e7f2
--- /dev/null
+++ b/gl/m4/math_h.m4
@@ -0,0 +1,66 @@
+# math_h.m4 serial 9
+dnl Copyright (C) 2007-2008 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_MATH_H],
+[
+  AC_REQUIRE([gl_MATH_H_DEFAULTS])
+  gl_CHECK_NEXT_HEADERS([math.h])
+])
+
+AC_DEFUN([gl_MATH_MODULE_INDICATOR],
+[
+  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+  AC_REQUIRE([gl_MATH_H_DEFAULTS])
+  GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+])
+
+AC_DEFUN([gl_MATH_H_DEFAULTS],
+[
+  GNULIB_CEILF=0;    AC_SUBST([GNULIB_CEILF])
+  GNULIB_CEILL=0;    AC_SUBST([GNULIB_CEILL])
+  GNULIB_FLOORF=0;   AC_SUBST([GNULIB_FLOORF])
+  GNULIB_FLOORL=0;   AC_SUBST([GNULIB_FLOORL])
+  GNULIB_FREXP=0;    AC_SUBST([GNULIB_FREXP])
+  GNULIB_FREXPL=0;   AC_SUBST([GNULIB_FREXPL])
+  GNULIB_ISFINITE=0; AC_SUBST([GNULIB_ISFINITE])
+  GNULIB_LDEXPL=0;   AC_SUBST([GNULIB_LDEXPL])
+  GNULIB_MATHL=0;    AC_SUBST([GNULIB_MATHL])
+  GNULIB_ROUND=0;    AC_SUBST([GNULIB_ROUND])
+  GNULIB_ROUNDF=0;   AC_SUBST([GNULIB_ROUNDF])
+  GNULIB_ROUNDL=0;   AC_SUBST([GNULIB_ROUNDL])
+  GNULIB_SIGNBIT=0;  AC_SUBST([GNULIB_SIGNBIT])
+  GNULIB_TRUNC=0;    AC_SUBST([GNULIB_TRUNC])
+  GNULIB_TRUNCF=0;   AC_SUBST([GNULIB_TRUNCF])
+  GNULIB_TRUNCL=0;   AC_SUBST([GNULIB_TRUNCL])
+  dnl Assume proper GNU behavior unless another module says otherwise.
+  HAVE_DECL_ACOSL=1;           AC_SUBST([HAVE_DECL_ACOSL])
+  HAVE_DECL_ASINL=1;           AC_SUBST([HAVE_DECL_ASINL])
+  HAVE_DECL_ATANL=1;           AC_SUBST([HAVE_DECL_ATANL])
+  HAVE_DECL_COSL=1;            AC_SUBST([HAVE_DECL_COSL])
+  HAVE_DECL_EXPL=1;            AC_SUBST([HAVE_DECL_EXPL])
+  HAVE_DECL_FREXPL=1;          AC_SUBST([HAVE_DECL_FREXPL])
+  HAVE_DECL_LDEXPL=1;          AC_SUBST([HAVE_DECL_LDEXPL])
+  HAVE_DECL_LOGL=1;            AC_SUBST([HAVE_DECL_LOGL])
+  HAVE_DECL_SINL=1;            AC_SUBST([HAVE_DECL_SINL])
+  HAVE_DECL_SQRTL=1;           AC_SUBST([HAVE_DECL_SQRTL])
+  HAVE_DECL_TANL=1;            AC_SUBST([HAVE_DECL_TANL])
+  HAVE_DECL_TRUNC=1;           AC_SUBST([HAVE_DECL_TRUNC])
+  HAVE_DECL_TRUNCF=1;          AC_SUBST([HAVE_DECL_TRUNCF])
+  HAVE_DECL_TRUNCL=1;          AC_SUBST([HAVE_DECL_TRUNCL])
+  REPLACE_CEILF=0;             AC_SUBST([REPLACE_CEILF])
+  REPLACE_CEILL=0;             AC_SUBST([REPLACE_CEILL])
+  REPLACE_FLOORF=0;            AC_SUBST([REPLACE_FLOORF])
+  REPLACE_FLOORL=0;            AC_SUBST([REPLACE_FLOORL])
+  REPLACE_FREXP=0;             AC_SUBST([REPLACE_FREXP])
+  REPLACE_FREXPL=0;            AC_SUBST([REPLACE_FREXPL])
+  REPLACE_ISFINITE=0;          AC_SUBST([REPLACE_ISFINITE])
+  REPLACE_LDEXPL=0;            AC_SUBST([REPLACE_LDEXPL])
+  REPLACE_ROUND=0;             AC_SUBST([REPLACE_ROUND])
+  REPLACE_ROUNDF=0;            AC_SUBST([REPLACE_ROUNDF])
+  REPLACE_ROUNDL=0;            AC_SUBST([REPLACE_ROUNDL])
+  REPLACE_SIGNBIT=0;           AC_SUBST([REPLACE_SIGNBIT])
+  REPLACE_SIGNBIT_USING_GCC=0; AC_SUBST([REPLACE_SIGNBIT_USING_GCC])
+])