patches/linux/2.4.26/170-linux-2.4-bsd-expr.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Feb 17 22:08:06 2008 +0000 (2008-02-17)
changeset 431 8bde4c6ea47a
permissions -rw-r--r--
Robert P. J. DAY says:

apparently, the patchset for gcc 4.2.1 applies properly to the
source for gcc 4.2.2 and gcc 4.2.3. so, if you want, you can simply
add support for those last two just by augmenting menuconfig and
adding a couple symlinks for those two directories. seems like a
cheap way to add a couple new versions.
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# http://in3www.epfl.ch/~schaffne/linux-2.4-bsd-expr.patch
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The following makes it possible to compile linux 2.4.19 to 2.4.25 on Mac OS X,
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where "expr" doesn't understand the "length" construct
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(which it doesn't have to, according to SuSv3
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(see http://www.opengroup.org/onlinepubs/007904975/utilities/expr.html)
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See also http://sources.redhat.com/ml/crossgcc/2004-02/msg00131.html
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Fixes error
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  expr: syntax error
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  KERNELRELEASE "2.4.21" exceeds 64 characters
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  make: *** [include/linux/version.h] Error 1
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diff -ur linux-2.4.23-old/Makefile linux-2.4.23/Makefile
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--- linux-2.4.23-old/Makefile	2003-12-09 14:27:56.000000000 +0100
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+++ linux-2.4.23/Makefile	2003-12-09 14:28:37.000000000 +0100
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@@ -353,7 +353,7 @@
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 	@rm -f .ver1
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 include/linux/version.h: ./Makefile
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-	@expr length "$(KERNELRELEASE)" \<= $(uts_len) > /dev/null || \
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+	@expr "$(KERNELRELEASE)" : '.*' \<= $(uts_len) > /dev/null || \
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 	  (echo KERNELRELEASE \"$(KERNELRELEASE)\" exceeds $(uts_len) characters >&2; false)
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 	@echo \#define UTS_RELEASE \"$(KERNELRELEASE)\" > .ver
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 	@echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver