avoid unportable "expr length"

PATCH New Martin Schaffner 1 participant 1 message Dec 10, 2003 Kbuild

lore

Share & tools

lore

Martin Schaffner

author

2003-12-10 10:31 UTC #0 lore raw

PATCH 1/1 avoid unportable "expr length"

Hi,

This one-line patch makes it possible to compile the linux kernel on systems without GNU expr.

patch for 2.6.0-test11

Makefile +1 -1

@@ -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; \

patch for 2.4.23

Makefile 2003-12-09 14:28:37.000000000 +0100 renamed from Makefile 2003-12-09 14:27:56.000000000 +0100 +1 -1

@@ -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

Signature · 2 lines

+++ GMX - die erste Adresse für Mail, Message, More +++
Neu: Preissenkung für MMS und FreeMMS! http://www.gmx.net