Right now, './gnulib-tool --with-tests --test xstrtol' issues this warning when
run on cygwin 1.5.24:
gcc -DHAVE_CONFIG_H -I. -I../../gltests -I. -I../../gltests -I.. -
I../../gltests/.. -I../gllib -I../../gltests/../gllib -g -O2 -MT test-
wchar.o -MD -MP -MF .deps/test-wchar.Tpo -c -o test-wchar.o ../../gltests/test-
wchar.c
In file included from ../../gltests/test-wchar.c:20:
./config.h:155:1: warning: "__STDC_LIMIT_MACROS_TRIGGER" redefined
In file included from ./config.h:4,
from ../../gltests/test-wchar.c:20:
./../config.h:147:1: warning: this is the location of the previous definition
Something weird is going on; gnulib-tool created the testdir in such a manner
that both build/config.h and build/gltests/config.h, with the latter #including
the former. And while both files contain similar #defines (for example, both
did #define HAVE_DECL_IMAXABS 1), it is only the dual listing of
__STDC_LIMIT_MACROS_TRIGGER that caused gcc 3.4.4 to warn, even though both
definitions were to the same value.
Is there any reason why gnulib-tool uses AH_TOP([#include "../config.h"]) for
gltests/configure.ac? Could this be reworked to have the tests dir share the
same config.h as the rest of the project, rather than having two files with
duplicate definitions?
--
Eric Blake
