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-rw-r--r--Makefile19
1 files changed, 18 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index a8aecaa2..a441779b 100644
--- a/Makefile
+++ b/Makefile
@@ -30,8 +30,15 @@ TARGETS=bootsect.bin ldlinux.sys syslinux.com syslinux
all: $(TARGETS)
ls -l $(TARGETS)
+# The DATE is set on the make command line when building binaries for
+# official release. Otherwise, substitute a hex string that is pretty much
+# guaranteed to be unique to be unique from build to build.
+ifndef DATE
+DATE = $(shell perl now.pl)
+endif
+
ldlinux.bin: ldlinux.asm
- $(NASM) -f bin -dHEX_TIME="`perl now.pl`" -l ldlinux.lst -o ldlinux.bin ldlinux.asm
+ $(NASM) -f bin -dDATE_STR="'$(DATE)'" -l ldlinux.lst -o ldlinux.bin ldlinux.asm
bootsect.bin: ldlinux.bin
dd if=ldlinux.bin of=bootsect.bin bs=512 count=1
@@ -62,3 +69,13 @@ clean: tidy
dist: tidy
rm -f *~ \#*
+
+#
+# This should only be used by the maintainer to generate official binaries
+# for release. Please do not "make official" and distribute the binaries,
+# please.
+#
+official:
+ $(MAKE) clean
+ $(MAKE) all DATE=`date +'%Y-%m-%d'`
+ $(MAKE) dist