Getopt() fixes, from Max Horn.

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@351 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/build/build.config

@@ -26,6 +26,9 @@ have_library vorbisfile || exit 1
 define_have_symbol strupr
 define_have_symbol stricmp
 
+# Check for getopt.h
+define_have_header getopt.h
+
 
 # Describe the menu:
 MENU_main_ITEMS="debug graphics sound link install_path"

sc2/build/config_functions

@@ -253,6 +253,43 @@ EOF
 	fi
 }
 
+# Description: check if a header is available.
+# Arguments:   $1 - the name of the header file
+have_header() {
+	local HEADER
+	HEADER="$1"
+
+	try_compile_c "$TEMP_CFLAGS" "$TEMP_LDFLAGS" << EOF 2>&1 > /dev/null
+#include <$HEADER>
+int main() {
+	return 0;
+}
+EOF
+	if [ $? -gt 0 ]; then
+		build_message "Header '$HEADER' not found."
+		return 1
+	fi
+	build_message "Header '$HEADER' found."
+	return 0
+}
+
+# Description: check if a header is available.
+#              set HAVE_<NAME> accordingly, where <NAME> is the capitalized
+#              name of the header file. "sys/time.h" becomes "SYS_TIME_H".
+# Arguments:   $1 - the name of the symbol
+define_have_header() {
+	local NAME VALUE
+	NAME=`$TR /.a-z __A-Z << EOF
+$1
+EOF
+`
+	if have_header "$1"; then
+		add_symbol "HAVE_$NAME" "#define HAVE_$NAME"
+	else
+		add_symbol "HAVE_$NAME" "#undef HAVE_$NAME"
+	fi
+}
+
 # Description: Add a symbol to be replaced by substitute_vars
 #              $HAVE_SYMBOLS will contain the variable names of all
 #              symbols added by define_have_symbol and should be passed to
@@ -303,14 +340,11 @@ substitute_vars() {
 	eval FILES=\"\$$2\"
 
 	for VAR in $VARS; do
-		# Using CR as a seperator, as it's unlikely that's used in
-		# $VAR itself.
+		# Escape all / in VAR so that we can use / as seperator char for sed
 		eval VALUE=\"\$$VAR\"
+		VALUE=$(echo "$VALUE" | sed 's,\([\&/]\),\\\1,g')
 		cat << EOF
-s
-@${VAR}@
-${VALUE}
-g
+s/@${VAR}@/${VALUE}/g
 EOF
 	done > "${TEMPFILE}.sed"
 

sc2/src/Makeinfo

@@ -1,4 +1,4 @@
-uqm_SUBDIRS=sc2code
+uqm_SUBDIRS="sc2code getopt"
 uqm_CFILES="options.c port.c starcon2.c"
 
 test_CFILES=test.c

sc2/src/config.h.in

@@ -10,3 +10,6 @@
 /* Defined if your system has stricmp of its own */
 @HAVE_STRICMP@
 
+/* Defined if your system has getopt.h */
+@HAVE_GETOPT_H@
+

sc2/src/getopt/Makeinfo

@@ -0,0 +1 @@
+uqm_CFILES="getopt.c getopt1.c"

sc2/src/getopt/getopt.c

@@ -31,6 +31,7 @@
 # include <config.h>
 #endif
 
+#ifndef HAVE_GETOPT_H
 #if !defined __STDC__ || !__STDC__
 /* This is a separate conditional since some stdc systems
    reject `defined (const)'.  */
@@ -1057,3 +1058,5 @@ main (argc, argv)
 }
 
 #endif /* TEST */
+
+#endif /* HAVE_GETOPT_H */

sc2/src/getopt/getopt1.c

@@ -22,6 +22,7 @@
 #include <config.h>
 #endif
 
+#ifndef HAVE_GETOPT_H
 #include "getopt.h"
 
 #if !defined __STDC__ || !__STDC__
@@ -186,3 +187,5 @@ main (argc, argv)
 }
 
 #endif /* TEST */
+
+#endif /* HAVE_GETOPT_H */

sc2/src/starcon2.c

@@ -18,10 +18,14 @@
 
 #ifndef WIN32
 #include <unistd.h>
-#include <getopt.h>
 #include "config.h"
 #else
 #include <direct.h>
+#endif
+
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#else
 #include "getopt/getopt.h"
 #endif