From 4e64b0a1b82badbf25bb32bd96290f96668c2290 Mon Sep 17 00:00:00 2001
From: tma <tma@edf5b092-35ff-0310-97b2-ce42778d08ea>
Date: Thu, 6 Sep 2007 18:21:10 +0000
Subject: * Compile time and runtime checks for SDL >= 1.2.7 * Modified
 versioning to play nice with the reverted Makefile change

git-svn-id: svn://svn.icculus.org/quake3/trunk@1168 edf5b092-35ff-0310-97b2-ce42778d08ea
---
 Makefile | 39 +++++++++++++++++++++++++++------------
 1 file changed, 27 insertions(+), 12 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 6e38dc6..aa10e38 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,5 @@
 #
-# Quake3 Unix Makefile
-#
-# Nov '98 by Zoid <zoid@idsoftware.com>
-#
-# Loki Hacking by Bernd Kreimeier
-#  and a little more by Ryan C. Gordon.
-#  and a little more by Rafael Barrero
-#  and a little more by the ioq3 cr3w
+# ioq3 Makefile
 #
 # GNU Make required
 #
@@ -144,8 +137,8 @@ SDLHDIR=$(MOUNT_DIR)/SDL12
 LIBSDIR=$(MOUNT_DIR)/libs
 
 # extract version info
-VERSION=$(shell grep "\#define Q3_VERSION" $(CMDIR)/q_shared.h | \
-  sed -e 's/.*".* \([^ ]*\)"/\1/')
+VERSION=$(shell grep "\#define *PRODUCT_VERSION" $(CMDIR)/q_shared.h | \
+  sed -e 's/[^"]*"\(.*\)"/\1/')
 
 USE_SVN=
 ifeq ($(wildcard .svn),.svn)
@@ -738,7 +731,7 @@ echo_cmd=@echo
 Q=@
 endif
 
-define DO_CC       
+define DO_CC
 $(echo_cmd) "CC $<"
 $(Q)$(CC) $(NOTSHLIBCFLAGS) $(CFLAGS) -o $@ -c $<
 endef
@@ -800,7 +793,7 @@ release:
 
 # Create the build directories and tools, print out
 # an informational message, then start building
-targets: makedirs tools
+targets: makedirs tools libversioncheck
 	@echo ""
 	@echo "Building ioquake3 in $(B):"
 	@echo "  PLATFORM: $(PLATFORM)"
@@ -869,6 +862,28 @@ $(Q)$(Q3LCC) -DMISSIONPACK -o $@ $<
 endef
 
 
+#############################################################################
+# LIBRARY VERSION CHECKS
+#############################################################################
+
+MINSDL_MAJOR  = 1
+MINSDL_MINOR  = 2
+MINSDL_PATCH  = 7
+
+BASE_CFLAGS += -DMINSDL_MAJOR=$(MINSDL_MAJOR) \
+               -DMINSDL_MINOR=$(MINSDL_MINOR) \
+               -DMINSDL_PATCH=$(MINSDL_PATCH)
+
+libversioncheck:
+	@echo "#include \"SDL_version.h\"\n" \
+		"#if SDL_VERSION_ATLEAST(" \
+		"$(MINSDL_MAJOR),$(MINSDL_MINOR),$(MINSDL_PATCH)" \
+		")\nMINSDL_PASSED\n#endif" | \
+		$(CC) $(BASE_CFLAGS) -E - | grep -q MINSDL_PASSED || \
+		( echo "SDL version $(MINSDL_MAJOR).$(MINSDL_MINOR).$(MINSDL_PATCH)" \
+		"or greater required" && exit 1 )
+
+
 #############################################################################
 # CLIENT/SERVER
 #############################################################################
-- 
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