- `if test x"$(LANGUAGES)" != x; then echo "LANGUAGES=$(LANGUAGES)"; fi` \
- `if test x"$(STMP_FIXPROTO)" != x; then echo "STMP_FIXPROTO=$(STMP_FIXPROTO)"; fi` \
- `if test x"$(LIMITS_H_TEST)" != x; then echo "LIMITS_H_TEST=$(LIMITS_H_TEST)"; fi` \
- `if test x"$(LIBGCC1_TEST)" != x; then echo "LIBGCC1_TEST=$(LIBGCC1_TEST)"; fi` \
- `if test x"$(LIBGCC2_CFLAGS)" != x; then echo "LIBGCC2_CFLAGS=$(LIBGCC2_CFLAGS)"; fi` \
- `if test x"$(LIBGCC2_DEBUG_CFLAGS)" != x; then echo "LIBGCC2_DEBUG_CFLAGS=$(LIBGCC2_DEBUG_CFLAGS)"; fi` \
- `if test x"$(LIBGCC2_INCLUDES)" != x; then echo "LIBGCC2_INCLUDES=$(LIBGCC2_INCLUDES)"; fi` \
- `if test x"$(ENQUIRE)" != x; then echo "ENQUIRE=$(ENQUIRE)"; fi` \
- `if test x"$(BOOT_CFLAGS)" != x; then echo "BOOT_CFLAGS=$(BOOT_CFLAGS)"; fi`
+ "`if test x'$(LANGUAGES)' != x; then echo 'LANGUAGES=$(LANGUAGES)'; else echo 'XFOO=bar'; fi`" \
+ "`if test x'$(STMP_FIXPROTO)' != x; then echo 'STMP_FIXPROTO=$(STMP_FIXPROTO)'; else echo 'XFOO=bar'; fi`" \
+ "`if test x'$(LIMITS_H_TEST)' != x; then echo 'LIMITS_H_TEST=$(LIMITS_H_TEST)'; else echo 'XFOO=bar'; fi`" \
+ "`if test x'$(LIBGCC1_TEST)' != x; then echo 'LIBGCC1_TEST=$(LIBGCC1_TEST)'; else echo 'XFOO=bar'; fi`" \
+ "`if test x'$(LIBGCC2_CFLAGS)' != x; then echo 'LIBGCC2_CFLAGS=$(LIBGCC2_CFLAGS)'; else echo 'XFOO=bar'; fi`" \
+ "`if test x'$(LIBGCC2_DEBUG_CFLAGS)' != x; then echo 'LIBGCC2_DEBUG_CFLAGS=$(LIBGCC2_DEBUG_CFLAGS)'; else echo 'XFOO=bar'; fi`" \
+ "`if test x'$(LIBGCC2_INCLUDES)' != x; then echo 'LIBGCC2_INCLUDES=$(LIBGCC2_INCLUDES)'; else echo 'XFOO=bar'; fi`" \
+ "`if test x'$(ENQUIRE)' != x; then echo 'ENQUIRE=$(ENQUIRE)'; else echo 'XFOO=bar'; fi`" \
+ "`if test x'$(BOOT_CFLAGS)' != x; then echo 'BOOT_CFLAGS=$(BOOT_CFLAGS)'; else echo 'XFOO=bar'; fi`"