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build: fix build on Mac OS X 10.9

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Add a wrapper around the clang gcc emulation to fix -print-file-name=<lib>

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 38560
This commit is contained in:
Felix Fietkau 2013-10-28 15:15:09 +00:00
parent e31ccd95c7
commit 1879c5f8e7
2 changed files with 21 additions and 2 deletions
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11
include/toplevel.mk
View File

@ -43,6 +43,13 @@ unexport LPATH
# make sure that a predefined CFLAGS variable does not disturb packages
export CFLAGS=
ifneq ($(shell $(HOSTCC) 2>&1 | grep clang),)
export HOSTCC_REAL?=$(HOSTCC)
export HOSTCC_WRAPPER:=$(TOPDIR)/scripts/clang-gcc-wrapper
else
export HOSTCC_WRAPPER:=$(HOSTCC)
endif
ifeq ($(FORCE),)
.config scripts/config/conf scripts/config/mconf: tmp/.prereq-build
endif
@ -74,12 +81,12 @@ prepare-tmpinfo: FORCE
fi
scripts/config/mconf:
@$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC)"
@$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC_WRAPPER)"
$(eval $(call rdep,scripts/config,scripts/config/mconf))
scripts/config/conf:
@$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC)"
@$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC_WRAPPER)"
config: scripts/config/conf prepare-tmpinfo FORCE
$< Config.in

12
scripts/clang-gcc-wrapper Executable file
View File

@ -0,0 +1,12 @@
#!/bin/sh
_cc="${HOSTCC_REAL:-gcc}"
case "$1" in
-print-file-name=*)
dirs="$($_cc -print-search-dirs | grep -m1 libraries | sed -e 's,:, ,' -e 's,.* =,,')"
dirs="$dirs /usr/lib /usr/local/lib"
find $dirs -name "${1#*=}" | head -n1
;;
*)
exec $_cc "$@"
;;
esac