include_next
configure.ac:
-AC_REQUIRE([gl_HEADER_ERRNO_H])
+gl_HEADER_ERRNO_H
Makefile.am:
BUILT_SOURCES += $(ERRNO_H)
# We need the following in order to create <errno.h> when the system
# doesn't have one that is POSIX compliant.
errno.h: errno.in.h
- rm -f $@-t $@
+ $(AM_V_GEN)rm -f $@-t $@ && \
{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
-e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
-e 's|@''EOVERFLOW_HIDDEN''@|$(EOVERFLOW_HIDDEN)|g' \
-e 's|@''EOVERFLOW_VALUE''@|$(EOVERFLOW_VALUE)|g' \
< $(srcdir)/errno.in.h; \
- } > $@-t
+ } > $@-t && \
mv $@-t $@
MOSTLYCLEANFILES += errno.h errno.h-t