Use CPPFLAGS when generating signames.h

It may contain a flag that changes the generated output. For example, it
may make it look at a different signals.h.

diff --git a/Makefile.am b/Makefile.am
index 77fda86dcc7a745957a48f364b9a8173803dabd6..8067689d3604d28b12996f25609df071b56a090e 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -88,7 +88,7 @@ CLEANFILES = src/signames.h .version
 
 src/signames.h: src/signames.c Makefile src/$(am__dirstamp)
                export LC_ALL=C ; \
-               @CPP@ -dM $< |\
+               @CPP@ @CPPFLAGS@ -dM $< |\
                tr -s '\t ' ' ' | sort -n -k 3 | sed \
        's:#define SIG\([A-Z][A-Z]*[0-9]*\) \([0-9][0-9]*\).*$\:{\ \2,"\1" },:p;d' | \
                  grep -v '[0-9][0-9][0-9]' >$@ || \