On Wed, Jul 22, 2015 at 4:56 AM, Blake McBride <[email protected]> wrote:
> # ./configure --enable-ansi >xx
> ./configure: line 8423: test: 29: unary operator expected
> configure: WARNING: asm/signal.h: present but cannot be compiled
> configure: WARNING: asm/signal.h: check for missing prerequisite
> headers?
> configure: WARNING: asm/signal.h: see the Autoconf documentation
> configure: WARNING: asm/signal.h: section "Present But Cannot Be
> Compiled"
> configure: WARNING: asm/signal.h: proceeding with the compiler's result
I'm attaching the patch we use in Fedora to work around the
asm/signal.h issue. HTH. Regards,
--
Jerry James
http://www.jamezone.org/
--- configure.in.orig 2014-09-06 20:00:00.000000000 -0600
+++ configure.in 2014-09-06 20:00:00.000000000 -0600
@@ -2490,7 +2490,7 @@
#if test $use = "386-linux" ; then
AC_CHECK_HEADERS(asm/sigcontext.h)
- AC_CHECK_HEADERS(asm/signal.h)
+ AC_CHECK_HEADERS(asm/signal.h, [], [], [#define __ASSEMBLY__])
AC_MSG_CHECKING([for sigcontext])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <signal.h>
@@ -2515,6 +2515,7 @@
#include <asm/sigcontext.h>
#endif
#ifdef HAVE_ASM_SIGNAL_H
+ #define __ASSEMBLY__
#include <asm/signal.h>
#endif
]],
--- configure.orig 2014-09-06 20:00:00.000000000 -0600
+++ configure 2014-09-06 20:00:00.000000000 -0600
@@ -9573,7 +9573,8 @@
for ac_header in asm/signal.h
do :
- ac_fn_c_check_header_mongrel "$LINENO" "asm/signal.h" "ac_cv_header_asm_signal_h" "$ac_includes_default"
+ ac_fn_c_check_header_compile "$LINENO" "asm/signal.h" "ac_cv_header_asm_signal_h" "#define __ASSEMBLY__
+"
if test "x$ac_cv_header_asm_signal_h" = xyes; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_ASM_SIGNAL_H 1
@@ -9627,6 +9628,7 @@
#include <asm/sigcontext.h>
#endif
#ifdef HAVE_ASM_SIGNAL_H
+ #define __ASSEMBLY__
#include <asm/signal.h>
#endif
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