X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=modules%2Fstdarg;h=f0b630f17d89dfaf8b9512a83f7bcbf67ee9cba3;hb=414d630c1c5248b1da281b2bbd0a4ea48792b187;hp=01acff89a27014d8bdf8982b8368266ed5fddcb0;hpb=4f9bc0db18ebf839e7ad88b13d84655816b4b805;p=gnulib.git

diff --git a/modules/stdarg b/modules/stdarg
index 01acff89a..f0b630f17 100644
--- a/modules/stdarg
+++ b/modules/stdarg
@@ -2,14 +2,36 @@ Description:
 An <stdarg.h> that conforms to C99.
 
 Files:
+lib/stdarg.in.h
 m4/stdarg.m4
 
 Depends-on:
+include_next
+
+configure.ac-early:
+dnl Some compilers (e.g., AIX 5.3 cc) need to be in c99 mode
+dnl for the builtin va_copy to work.  With Autoconf 2.60 or later,
+dnl AC_PROG_CC_STDC arranges for this.  With older Autoconf AC_PROG_CC_STDC
+dnl shouldn't hurt, though installers are on their own to set c99 mode.
+AC_REQUIRE([AC_PROG_CC_STDC])
 
 configure.ac:
 gl_STDARG_H
 
 Makefile.am:
+BUILT_SOURCES += $(STDARG_H)
+
+# We need the following in order to create <stdarg.h> when the system
+# doesn't have one that works with the given compiler.
+stdarg.h: stdarg.in.h
+	rm -f $@-t $@
+	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
+	  sed -e 's/@''INCLUDE_NEXT''@/$(INCLUDE_NEXT)/g' \
+	      -e 's|@''NEXT_STDARG_H''@|$(NEXT_STDARG_H)|g' \
+	      < $(srcdir)/stdarg.in.h; \
+	} > $@-t
+	mv $@-t $@
+MOSTLYCLEANFILES += stdarg.h stdarg.h-t
 
 Include:
 #include <stdarg.h>