GCC 5 adds #line directives (and hence extra newlines) for macros expansions, which confuses cygmagic. Using the -P flag avoids them entirely.
https://cygwin.com/ml/cygwin-patches/2016-q1/msg00016.html Signed-off-by: Yaakov Selkowitz <yselk...@redhat.com> --- winsup/cygwin/cygmagic | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/winsup/cygwin/cygmagic b/winsup/cygwin/cygmagic index b945291..036c79c 100755 --- a/winsup/cygwin/cygmagic +++ b/winsup/cygwin/cygmagic @@ -24,7 +24,7 @@ sumit() { while [ -n "$1" ]; do define=$1; shift struct=$1; shift - sum=`$gcc -D__CYGMAGIC__ -E $file | sed -n "/^$struct/,/^};/p" | sed -e 's/[ ]//g' -e '/^$/d' | sumit | awk '{printf "0x%xU", $1}'` + sum=`$gcc -D__CYGMAGIC__ -E -P $file | sed -n "/^$struct/,/^};/p" | sed -e 's/[ ]//g' -e '/^$/d' | sumit | awk '{printf "0x%xU", $1}'` echo "#define $define $sum" curr=`sed -n "s/^#[ ]*define CURR_$define[ ][ ]*\([^ ][^ ]*\)/\1/p" $file` [ "$curr" != "$sum" ] && echo "*** WARNING WARNING WARNING WARNING WARNING *** -- 2.7.0
