From 491f9fc9869cf15bf8a46e917bd2cc17f65b1257 Mon Sep 17 00:00:00 2001 From: Nat Goodspeed Date: Sat, 29 Aug 2009 10:35:41 -0400 Subject: Add magic -D switch to work around OS X 10.5 bug in ucontext.h --- indra/cmake/00-Common.cmake | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake index 2a70263446..0dc0e9e80c 100644 --- a/indra/cmake/00-Common.cmake +++ b/indra/cmake/00-Common.cmake @@ -179,11 +179,17 @@ endif (LINUX) if (DARWIN) - add_definitions(-DLL_DARWIN=1) + # NOTE (per http://lists.apple.com/archives/darwin-dev/2008/Jan/msg00232.html): + # > Why the bus error? What am I doing wrong? + # This is a known issue where getcontext(3) is writing past the end of the + # ucontext_t struct when _XOPEN_SOURCE is not defined (rdar://problem/5578699 ). + # As a workaround, define _XOPEN_SOURCE before including ucontext.h. + add_definitions(-DLL_DARWIN=1 -D_XOPEN_SOURCE) set(CMAKE_CXX_LINK_FLAGS "-Wl,-headerpad_max_install_names,-search_paths_first") set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_CXX_LINK_FLAGS}") - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mlong-branch") - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mlong-branch") + set(DARWIN_extra_cstar_flags "-mlong-branch") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${DARWIN_extra_cstar_flags}") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${DARWIN_extra_cstar_flags}") # NOTE: it's critical that the optimization flag is put in front. # NOTE: it's critical to have both CXX_FLAGS and C_FLAGS covered. set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O0 ${CMAKE_CXX_FLAGS_RELWITHDEBINFO}") -- cgit v1.2.3