ObjFW: Diff

Differences From Artifact [b23f940e4b]:

File configure.ac — part of check-in [896084c340] at 2013-05-22 18:42:46 on branch trunk — Check for more socket-related headers / functions. (user: js, size: 22506) [annotate] [blame] [check-ins using]

File configure.ac — part of check-in [a889f21180] at 2013-05-22 20:36:31 on branch trunk — Don't depened on execinfo.h for backtraces.
Instead, __builtin_return_address() is used now. This makes backtraces
available on many platforms, it even works if dladdr is missing (it does
not show symbol names then, though). (user: js, size: 22738) [annotate] [blame] [check-ins using]

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464 465 466 467 468 469 470 471 472 473 474 475 476 477	464 465 466 467 468 469 470 471 472 473 474 475 476 477 478	+	], [ AC_CHECK_FUNC(random, [ AC_DEFINE(HAVE_RANDOM, 1, [Whether we have random()]) ]) ]) AC_CHECK_LIB(dl, dlopen, LIBS="$LIBS -ldl") AC_CHECK_HEADERS(dlfcn.h) AC_ARG_ENABLE(threads, AS_HELP_STRING([--disable-threads], [disable thread support])) AS_IF([test x"$enable_threads" != x"no"], [ case "$host_os" in mingw*) AC_MSG_CHECKING(for threads)
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746 747 748 749 750 751 752 ~~753~~ 754 755 756 757 758 759 760	747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770	+ - + + + + + + + + +	;; esac AS_IF([test x"$have_processes" = x"yes"], [ AC_SUBST(OFPROCESS_M, "OFProcess.m") AC_DEFINE(OF_HAVE_PROCESSES, 1, [Whether we have processes]) ]) AC_MSG_CHECKING(for __builtin_return_address) ~~AC_~~CHEC~~K~~_HEADERS~~(~~execinfo.h)~~~~ AC_TRY_LINK([], [ __builtin_return_address(0); ], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_BUILTIN_RETURN_ADDRESS, 1, [Whether we have __builtin_return_address]) ], [ AC_MSG_RESULT(no) ]) AS_IF([test x"$objc_runtime" = x"Apple runtime"], [ AC_CHECK_HEADER(Foundation/NSObject.h, [ AC_SUBST(FOUNDATION_COMPAT_M, "foundation-compat.m") AC_SUBST(BRIDGE, "bridge") AS_IF([test x"$enable_shared" != x"no"], [
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