Use minmax.h from gnulib instead of GMIN/GMAX.

3 files changed, 57 insertions, 2 deletions

diff --git a/gl/Makefile.am b/gl/Makefile.am
index b20d924c29..f59ed59af8 100644
--- a/gl/Makefile.am
+++ b/gl/Makefile.am
@@ -10,7 +10,7 @@
 # Generated by gnulib-tool.
 #
 # Invoked as: gnulib-tool --import
-# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=gl --m4-base=gl/m4 --libtool error exit extensions getline getpass-gnu gettext progname stdbool unlocked-io
+# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=gl --m4-base=gl/m4 --libtool error exit extensions getline getpass-gnu gettext minmax progname stdbool unlocked-io
 
 AUTOMAKE_OPTIONS = 1.8 gnits
 
@@ -36,6 +36,8 @@ libgnu_la_SOURCES += getpass.h
 
 libgnu_la_SOURCES += gettext.h
 
+libgnu_la_SOURCES += minmax.h
+
 libgnu_la_SOURCES += progname.h progname.c
 
 BUILT_SOURCES += $(STDBOOL_H)
diff --git a/gl/m4/gnulib.m4 b/gl/m4/gnulib.m4
index 9992333439..fe1625e28a 100644
--- a/gl/m4/gnulib.m4
+++ b/gl/m4/gnulib.m4
@@ -8,7 +8,7 @@
 # Generated by gnulib-tool.
 #
 # Invoked as: gnulib-tool --import
-# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=gl --m4-base=gl/m4 --libtool error exit extensions getline getpass-gnu gettext progname stdbool unlocked-io
+# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=gl --m4-base=gl/m4 --libtool error exit extensions getline getpass-gnu gettext minmax progname stdbool unlocked-io
 
 AC_DEFUN([gl_EARLY],
 [
diff --git a/gl/minmax.h b/gl/minmax.h
new file mode 100644
index 0000000000..0e505109e7
--- /dev/null
+++ b/gl/minmax.h
@@ -0,0 +1,53 @@
+/* MIN, MAX macros.
+   Copyright (C) 1995, 1998, 2001, 2003 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef _MINMAX_H
+#define _MINMAX_H
+
+/* Note: MIN, MAX are also defined in <sys/param.h> on some systems
+   (glibc, IRIX, HP-UX, OSF/1).  Therefore you might get warnings about
+   MIN, MAX macro redefinitions on some systems; the workaround is to
+   #include this file as the last one among the #include list.  */
+
+/* Before we define the following symbols we get the <limits.h> file
+   since otherwise we get redefinitions on some systems.  */
+#include <limits.h>
+
+/* Note: MIN and MAX should be used with two arguments of the
+   same type.  They might not return the minimum and maximum of their two
+   arguments, if the arguments have different types or have unusual
+   floating-point values.  For example, on a typical host with 32-bit 'int',
+   64-bit 'long long', and 64-bit IEEE 754 'double' types:
+
+     MAX (-1, 2147483648) returns 4294967295.
+     MAX (9007199254740992.0, 9007199254740993) returns 9007199254740992.0.
+     MAX (NaN, 0.0) returns 0.0.
+     MAX (+0.0, -0.0) returns -0.0.
+
+   and in each case the answer is in some sense bogus.  */
+
+/* MAX(a,b) returns the maximum of A and B.  */
+#ifndef MAX
+# define MAX(a,b) ((a) > (b) ? (a) : (b))
+#endif
+
+/* MIN(a,b) returns the minimum of A and B.  */
+#ifndef MIN
+# define MIN(a,b) ((a) < (b) ? (a) : (b))
+#endif
+
+#endif /* _MINMAX_H */