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Allow -Wuninitialized without -O only for gcc 4.4 and upper

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unknown 2011-03-01 15:19:25 +02:00
commit 845afae61e
1 changed files with 17 additions and 1 deletions
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18
BUILD/SETUP.sh
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@ -134,7 +134,6 @@ valgrind_configs="--with-valgrind"
#
# Used in -debug builds
debug_cflags="-DUNIV_MUST_NOT_INLINE -DEXTRA_DEBUG"
debug_cflags="$debug_cflags -DFORCE_INIT_OF_VARS -Wuninitialized"
debug_cflags="$debug_cflags -DSAFEMALLOC -DPEDANTIC_SAFEMALLOC"
error_inject="--with-error-inject "
#
@ -209,6 +208,23 @@ if test -z "$CXX" ; then
CXX=gcc
fi
#
# Set -Wuninitialized to debug flags for gcc 4.4 and above
# because it is allowed there without -O
#
if test `$CC -v 2>&1 | tail -1 | sed 's/ .*$//'` = 'gcc' ; then
GCCVERSION=`cc -v 2>&1 | tail -1 | sed 's/^\w\w* \w\w* //' | sed 's/ .*$//'`
GCCV1=`echo $GCCVERSION | sed 's/\..*$//'`
GCCV2=`echo $GCCVERSION | sed 's/[0-9][0-9]*\.//'|sed 's/\..*$//'`
if test '(' "$GCCV1" -gt '4' ')' -o \
'(' '(' "$GCCV1" -eq '4' ')' -a '(' "$GCCV2" -ge '4' ')' ')'
then
debug_cflags="$debug_cflags -DFORCE_INIT_OF_VARS -Wuninitialized"
fi
fi
# If ccache (a compiler cache which reduces build time)
# (http://samba.org/ccache) is installed, use it.
# We use 'grep' and hope 'grep' will work as expected