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Remove broken compiler check 

The 'build.mk' file checks if the tool chain to be used supports the
'-static' and '-fno-stack-protector' flags, but this check always fails
for the current Genode tool chain because it cannot create executable
files without explicitly specifying the 'crt0' and library files to be
linked, which the check doesn't.

This patch removes the compiler check.

Fixes #358.
This commit is contained in:
Christian Prochaska 2012-09-20 12:36:02 +02:00 committed by Norman Feske
parent 9eeec09ebe
commit 1483f1032d
2 changed files with 1 additions and 15 deletions
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2
base/mk/global.mk
View File

@ -92,7 +92,7 @@ CC_WARN ?= -Wall
#
# Aggregate compiler options that are common for C and C++
#
CC_OPT += $(CC_OPT_NOSTDINC) -g $(CC_MARCH) $(CC_OLEVEL) $(CC_OPT_DEP) $(CC_WARN) $(CC_OPT_CHECKCC)
CC_OPT += $(CC_OPT_NOSTDINC) -g $(CC_MARCH) $(CC_OLEVEL) $(CC_OPT_DEP) $(CC_WARN)
#
# Incorporate source-file-specific compiler options

14
tool/builddir/build.mk
View File

@ -71,20 +71,6 @@ select_from_repositories = $(firstword $(foreach REP,$(REPOSITORIES),$(wildcard
include $(BASE_DIR)/mk/global.mk
#
# Some compilers do not support the compiler arguments that we use with 'gcc'
# and, consequently, spit errors. Hence, we have to check if the compiler
# arguments are supported and drop them in the other case. We cache the result
# of the check in the CC_OPT_CHECKCC variable. The caching improves the build
# performance by 5 to 10 percent.
#
checkcc = $(shell if $(CUSTOM_CC) $(1) -o /dev/null -xc - <<< 'int main(void){return 0;}' &> /dev/null; then echo "$(1)" ; fi ;)
CC_OPT_CHECKCC = $(call checkcc, -static)
CC_OPT_CHECKCC += $(call checkcc, -fno-stack-protector)
export CC_OPT_CHECKCC
export LIBGCC_INC_DIR = $(shell dirname `$(CUSTOM_CXX_LIB) -print-libgcc-file-name`)/include
#