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Do not rely on '/sbin/' in PATH

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Do not rely on '/sbin/' being present in the PATH variable. This patch
fixes build problems of hybrid Linux/Genode programs on Debian.
This commit is contained in:
Norman Feske 2011-12-22 17:23:09 +01:00 committed by Christian Helmuth
parent 3d5cfde313
commit 6ce4e47c1c
1 changed files with 13 additions and 1 deletions
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14
base-linux/lib/import/import-lx_hybrid.mk
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@ -23,13 +23,25 @@ INC_DIR += $(shell echo "int main() {return 0;}" |\
# #
CXX_LINK_OPT += $(addprefix -L,$(HOST_LIB_SEARCH_DIRS)) CXX_LINK_OPT += $(addprefix -L,$(HOST_LIB_SEARCH_DIRS))
#
# Determine ldconfig executable
#
# On Ubuntu, /sbin/ is in the PATH variable. Hence we try using the program
# found via 'which'. If 'which' does not return anything (i.e., on Debian),
# try using the expected location '/sbin/'.
#
LDCONFIG := $(firstword $(wildcard $(shell which ldconfig) /sbin/ldconfig))
ifeq ($(LDCONFIG),)
$(error ldconfig is not found)
endif
# #
# Add search paths for shared-library lookup # Add search paths for shared-library lookup
# #
# We add all locations of shared libraries present in the ld.cache to our # We add all locations of shared libraries present in the ld.cache to our
# library search path. # library search path.
# #
HOST_SO_SEARCH_DIRS := $(sort $(dir $(shell ldconfig -p | sed "s/^.* \//\//" | grep "^\/"))) HOST_SO_SEARCH_DIRS := $(sort $(dir $(shell $(LDCONFIG) -p | sed "s/^.* \//\//" | grep "^\/")))
LINK_ARG_PREFIX := -Wl, LINK_ARG_PREFIX := -Wl,
CXX_LINK_OPT += $(addprefix $(LINK_ARG_PREFIX)-rpath-link $(LINK_ARG_PREFIX),$(HOST_SO_SEARCH_DIRS)) CXX_LINK_OPT += $(addprefix $(LINK_ARG_PREFIX)-rpath-link $(LINK_ARG_PREFIX),$(HOST_SO_SEARCH_DIRS))