diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 6188dd50d136..0b386b075724 100644 --- a/configure.ac +++ b/configure.ac @@ -1,6 +1,6 @@ # Process this file with autoconf to produce a configure script. -# Copyright (C) 1984-2009 Mark Nudelman +# Copyright (C) 1984-2011 Mark Nudelman # # You may distribute under the terms of either the GNU General Public # License or the Less License, as specified in the README file. @@ -195,6 +195,8 @@ AH_TEMPLATE([HAVE_REGEXEC2], []) AH_TEMPLATE([HAVE_VOID], [Define HAVE_VOID if your compiler supports the "void" type.]) +AH_TEMPLATE([HAVE_FLOAT], + [Define HAVE_FLOAT if your compiler supports the "double" type.]) AH_TEMPLATE([HAVE_CONST], [Define HAVE_CONST if your compiler supports the "const" modifier.]) AH_TEMPLATE([HAVE_STAT_INO], @@ -366,6 +368,18 @@ AC_ARG_WITH(secure, [ --with-secure Compile in secure mode], AC_DEFINE(SECURE_COMPILE, 1), AC_DEFINE(SECURE_COMPILE, 0)) +# Should we use floating point? +AC_MSG_CHECKING(for floating point) +AC_ARG_WITH(no-float, + [ --with-no-float Do not use floating point], + WANT_NO_FLOAT=1, WANT_NO_FLOAT=0) +if test $WANT_NO_FLOAT = 0; then + AC_TRY_LINK(, [double f1 = 12.5; double f2 = f1*f1/2.5;], + [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_FLOAT)], [AC_MSG_RESULT(no)]) +else + AC_MSG_RESULT(disabled by user) +fi + # Checks for regular expression functions. have_regex=no have_posix_regex=unknown |