* [PATCH 2.4.23, 2.6.0-test11] avoid the use of unportable "expr length"
@ 2003-12-09 13:31 Martin Schaffner
0 siblings, 0 replies; only message in thread
From: Martin Schaffner @ 2003-12-09 13:31 UTC (permalink / raw)
To: linux-kernel
Hi!
I tried to cross-compile from Mac OS X, which failed because the Makefile
uses the "length" feature of GNU expr, which is not found in BSD expr. Here's a
fix.
Please CC me when replying.
--- a/Makefile 2003-12-09 13:54:50.000000000 +0100
+++ b/Makefile 2003-12-09 13:56:39.000000000 +0100
@@ -640,7 +640,7 @@
uts_len := 64
define filechk_version.h
- if expr length "$(KERNELRELEASE)" \> $(uts_len) >/dev/null ; then \
+ if expr "$(KERNELRELEASE)" : '.*' \> $(uts_len) >/dev/null ; then \
echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \
exit 1; \
fi; \
--- a/Makefile 2003-12-09 14:27:56.000000000 +0100
+++ b/Makefile 2003-12-09 14:28:37.000000000 +0100
@@ -353,7 +353,7 @@
@rm -f .ver1
include/linux/version.h: ./Makefile
- @expr length "$(KERNELRELEASE)" \<= $(uts_len) > /dev/null || \
+ @expr "$(KERNELRELEASE)" : '.*' \<= $(uts_len) > /dev/null || \
(echo KERNELRELEASE \"$(KERNELRELEASE)\" exceeds $(uts_len)
characters >&2; false)
@echo \#define UTS_RELEASE \"$(KERNELRELEASE)\" > .ver
@echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 +
$(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver
--
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