Allow compilation in an other directory on unix, keeping the source tree

clean, by setting the BUILD_WORK environment variable.


git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@1333 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/build/unix/build.config

@@ -1,5 +1,9 @@
 #!/bin/sh
 
+if [ -z "$BUILD_WORK" ]; then
+	BUILD_WORK=.
+fi
+
 # Include build functions used here
 . build/unix/config_functions
 . build/unix/menu_functions
@@ -82,7 +86,7 @@ strictdebug_action() {
 			# We shouldn't do this until we actually nail them
 			# all in the original code.  Then we can enforce them
 			# on ourselves.
-#       CFLAGS="$CFLAGS -pedantic-errors -ansi -trigraphs"  # ANSI
+#	CFLAGS="$CFLAGS -pedantic-errors -ansi -trigraphs"  # ANSI
 #	CFLAGS="$CFLAGS -Wnested-externs"
 			# We know they're in the code, and though we'd like to get
 			# rid of them, they're not bugs.
@@ -182,7 +186,7 @@ INPUT_install_sharedir_VALIDATOR=validate_path
 
 
 # Show the menu and let people set things
-do_menu MENU main config.state
+do_menu MENU main "$BUILD_WORK/config.state"
 echo "Configuration complete."
 
 # Set INSTALL_LIBDIR, INSTALL_BINDIR, and INSTALL_SHAREDIR to the specified
@@ -197,22 +201,23 @@ prefix="$INPUT_install_prefix_VALUE" \
 # Set the content dir
 CONTENTDIR="${INSTALL_SHAREDIR}uqm/content"
 
+CFLAGS="$CFLAGS -I \"$BUILD_WORK\""
 
-# Export the HAVE_ symbols to config.h, using config.h.in as template
+# Export the HAVE_ symbols to config_unix.h, using config_unix.h.in as template
 SUBSTITUTE_VARS="$HAVE_SYMBOLS CONTENTDIR"
-SUBSTITUTE_FILES="src/config.h"
-substitute_vars SUBSTITUTE_VARS SUBSTITUTE_FILES
+SUBSTITUTE_FILES="config_unix.h"
+substitute_vars SUBSTITUTE_VARS SUBSTITUTE_FILES src "$BUILD_WORK"
 
 # Make build.vars from build.vars.in, substituting variables.
 SUBSTITUTE_VARS="CFLAGS LDFLAGS MAKE DEBUG SOUNDMODULE HAVE_OPENGL \
 		USE_ZIP_IO \
 		INSTALL_LIBDIR INSTALL_BINDIR INSTALL_SHAREDIR WINDRES"
 SUBSTITUTE_FILES="build.vars"
-substitute_vars SUBSTITUTE_VARS SUBSTITUTE_FILES
+substitute_vars SUBSTITUTE_VARS SUBSTITUTE_FILES . "$BUILD_WORK"
 
 # Make 'uqm' shell script from build.vars.in, substituting variables.
 SUBSTITUTE_VARS="INSTALL_LIBDIR INSTALL_BINDIR INSTALL_SHAREDIR uqm_NAME"
-SUBSTITUTE_FILES="build/unix/uqm"
-substitute_vars SUBSTITUTE_VARS SUBSTITUTE_FILES
+SUBSTITUTE_FILES="uqm-wrapper"
+substitute_vars SUBSTITUTE_VARS SUBSTITUTE_FILES build/unix "$BUILD_WORK"