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Diffstat (limited to 'm4/ieee754-h.m4')
| -rw-r--r-- | m4/ieee754-h.m4 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/m4/ieee754-h.m4 b/m4/ieee754-h.m4 new file mode 100644 index 0000000000..bf7c332e48 --- /dev/null +++ b/m4/ieee754-h.m4 @@ -0,0 +1,21 @@ +# Configure ieee754-h module + +dnl Copyright 2018 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_IEEE754_H], +[ + AC_REQUIRE([AC_C_BIGENDIAN]) + AC_CHECK_HEADERS_ONCE([ieee754.h]) + if test $ac_cv_header_ieee754_h = yes; then + IEEE754_H= + else + IEEE754_H=ieee754.h + AC_DEFINE([_GL_REPLACE_IEEE754_H], 1, + [Define to 1 if <ieee754.h> is missing.]) + fi + AC_SUBST([IEEE754_H]) + AM_CONDITIONAL([GL_GENERATE_IEEE754_H], [test -n "$IEEE754_H"]) +]) |