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Prettify configure output when checking for backtrace().

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The output of "checking for backtrace()" was interspersed with the output of
"checking for library containing backtrace", which was ugly and potentially
confusing, so move AC_SEARCH_LIBS() out of AC_CACHE_CHECK() to fix it.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78430 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2015-02-01 11:33:13 +00:00
parent 1127820164
commit eeead5ff6d
2 changed files with 56 additions and 60 deletions
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26
configure.in
View File

@@ -4157,28 +4157,26 @@ fi
dnl backtrace() and backtrace_symbols() for wxStackWalker
if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
AC_CACHE_CHECK([for backtrace() in <execinfo.h>], wx_cv_func_backtrace,
AC_CACHE_CHECK([for backtrace()], wx_cv_func_backtrace,
[
AC_SEARCH_LIBS(backtrace, execinfo,
AC_LANG_PUSH(C++)
AC_TRY_COMPILE([#include <execinfo.h>],
[
AC_LANG_PUSH(C++)
AC_TRY_LINK([#include <execinfo.h>],
[
void *trace[1];
char **messages;
backtrace(trace, 1);
messages = backtrace_symbols(trace, 1);
],
wx_cv_func_backtrace=yes,
wx_cv_func_backtrace=no
)
AC_LANG_POP()
void *trace[1];
char **messages;
backtrace(trace, 1);
messages = backtrace_symbols(trace, 1);
],
wx_cv_func_backtrace=yes,
wx_cv_func_backtrace=no
)
AC_LANG_POP()
]
)
dnl Under BSD it can require linking with libexecinfo.
AC_SEARCH_LIBS(backtrace, execinfo, , [wx_cv_func_backtrace=no])
if test "$wx_cv_func_backtrace" = "no"; then
AC_MSG_WARN([backtrace() is not available, wxStackWalker will not be available])
wxUSE_STACKWALKER=no