1 files changed, 105 insertions, 0 deletions
diff --git a/m4/basic-directories.m4 b/m4/basic-directories.m4
new file mode 100644
index 000000000..7729dac24
--- /dev/null
+++ b/m4/basic-directories.m4
@@ -0,0 +1,105 @@
+dnl
+dnl Fix basic directories (Taken from CUPS)
+dnl
+dnl Copyright 2007-2014 by Apple Inc.
+dnl Copyright 1997-2007 by Easy Software Products, all rights reserved.
+dnl
+dnl These coded instructions, statements, and computer programs are the
+dnl property of Apple Inc. and are protected by Federal copyright
+dnl law.  Distribution and use rights are outlined in the file "COPYING"
+dnl which should have been included with this file.
+dnl
+
+AC_PREFIX_DEFAULT(/)
+
+dnl Fix "prefix" variable if it hasn't been specified...
+if test "$prefix" = "NONE"; then
+	prefix="/"
+fi
+
+dnl Fix "exec_prefix" variable if it hasn't been specified...
+if test "$exec_prefix" = "NONE"; then
+	if test "$prefix" = "/"; then
+		exec_prefix="/usr"
+	else
+		exec_prefix="$prefix"
+	fi
+fi
+
+dnl Fix "bindir" variable...
+if test "$bindir" = "\${exec_prefix}/bin"; then
+	bindir="$exec_prefix/bin"
+fi
+
+dnl Fix "sbindir" variable...
+if test "$sbindir" = "\${exec_prefix}/sbin"; then
+	sbindir="$exec_prefix/sbin"
+fi
+
+dnl Fix "sharedstatedir" variable if it hasn't been specified...
+if test "$sharedstatedir" = "\${prefix}/com" -a "$prefix" = "/"; then
+	sharedstatedir="/usr/com"
+fi
+
+dnl Fix "datarootdir" variable if it hasn't been specified...
+if test "$datarootdir" = "\${prefix}/share"; then
+	if test "$prefix" = "/"; then
+		datarootdir="/usr/share"
+	else
+		datarootdir="$prefix/share"
+	fi
+fi
+
+dnl Fix "datadir" variable if it hasn't been specified...
+if test "$datadir" = "\${prefix}/share"; then
+	if test "$prefix" = "/"; then
+		datadir="/usr/share"
+	else
+		datadir="$prefix/share"
+	fi
+elif test "$datadir" = "\${datarootdir}"; then
+	datadir="$datarootdir"
+fi
+
+dnl Fix "includedir" variable if it hasn't been specified...
+if test "$includedir" = "\${prefix}/include" -a "$prefix" = "/"; then
+	includedir="/usr/include"
+fi
+
+dnl Fix "localstatedir" variable if it hasn't been specified...
+if test "$localstatedir" = "\${prefix}/var"; then
+	if test "$prefix" = "/"; then
+		if test "$uname" = Darwin; then
+			localstatedir="/private/var"
+		else
+			localstatedir="/var"
+		fi
+	else
+		localstatedir="$prefix/var"
+	fi
+fi
+
+dnl Fix "sysconfdir" variable if it hasn't been specified...
+if test "$sysconfdir" = "\${prefix}/etc"; then
+	if test "$prefix" = "/"; then
+		if test "$uname" = Darwin; then
+			sysconfdir="/private/etc"
+		else
+			sysconfdir="/etc"
+		fi
+	else
+		sysconfdir="$prefix/etc"
+	fi
+fi
+
+dnl Fix "libdir" variable...
+if test "$libdir" = "\${exec_prefix}/lib"; then
+	case "$uname" in
+		Linux*)
+			if test -d /usr/lib64 -a ! -d /usr/lib64/fakeroot; then
+				libdir="$exec_prefix/lib64"
+			fi
+			;;
+	esac
+fi
+