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improve support for building on mac os x by improving detection of missing components

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14180 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2009-01-25 19:00:43 +00:00
parent eb99ebe6ff
commit 1e68438b58
3 changed files with 27 additions and 14 deletions
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14
include/prereq-build.mk
View File

@ -37,6 +37,20 @@ $(eval $(call Require,case-sensitive-fs, \
OpenWrt can only be built on a case-sensitive filesystem \
))
define Require/getopt
getopt --help 2>&1 | grep long >/dev/null
endef
$(eval $(call Require,getopt, \
Please install GNU getopt \
))
define Require/fileutils
gcp --help || cp --help
endef
$(eval $(call Require,fileutils, \
Please install GNU fileutils \
))
define Require/working-gcc
echo 'int main(int argc, char **argv) { return 0; }' | \
gcc -x c -o $(TMP_DIR)/a.out -

2
scripts/md5sum Executable file
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@ -0,0 +1,2 @@
#!/bin/sh
cat "$@" | md5

25
tools/Makefile
View File

@ -27,23 +27,20 @@ $(STAGING_DIR)/.prepared: $(TMP_DIR)/.build
$(INSTALL_DATA) $(TOPDIR)/tools/include/*.h $(STAGING_DIR_HOST)/include/
touch $@
$(STAGING_DIR_HOST)/bin/md5sum: $(STAGING_DIR)/.prepared
@MD5SUM=`which md5sum 2>/dev/null`; \
if [ "$@" != "$$MD5SUM" ]; then \
if [ -x "$$MD5SUM" ]; then \
ln -sf "$$MD5SUM" "$@"; \
else \
cp $(SCRIPT_DIR)/md5sum $(STAGING_DIR_HOST)/bin/; \
fi; \
fi
define PrepareCommand
$(STAGING_DIR_HOST)/bin/$(1): $(STAGING_DIR)/.prepared
@mkdir -p "$$(dir $$@)"; rm -f "$$@"
@export FILE="$$$$(which $(2) 2>/dev/null | grep -v 'not found' | head -n1)"; [ -n "$$$$FILE" ] || { \
echo "Command $(1) not found."; false; \
}; ln -s "$$$$FILE" "$$@"
$(STAGING_DIR_HOST)/bin/find: $(STAGING_DIR)/.prepared
if [ -x "$(FIND)" -a "$(FIND)" != "$@" ]; then \
ln -sf "$(FIND)" $@; \
fi
endef
$(eval $(call PrepareCommand,find,gfind find))
$(eval $(call PrepareCommand,md5sum,md5sum $(SCRIPT_DIR)/md5sum))
$(eval $(call PrepareCommand,cp,gcp cp))
$(curdir)/cmddeps = $(patsubst %,$(STAGING_DIR_HOST)/bin/%,find md5sum)
$(curdir)/cmddeps = $(patsubst %,$(STAGING_DIR_HOST)/bin/%,find md5sum cp)
$(curdir)//prepare = $(STAGING_DIR)/.prepared $($(curdir)/cmddeps)
$(curdir)//compile = $(STAGING_DIR)/.prepared $($(curdir)/cmddeps)