[Cmake-commits] CMake branch, next, updated. v2.8.9-1226-g40eca8d

[Rolf Eike Beer]

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       via  7ce58412080f85cb7a1758e0f236cd79c2ace26c (commit)
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- Log -----------------------------------------------------------------
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=40eca8d5b9132059d2c9a3ab07b91be7dbce822a
commit 40eca8d5b9132059d2c9a3ab07b91be7dbce822a
Merge: 47df2f5 7ce5841
Author:     Rolf Eike Beer <eike at sf-mail.de>
AuthorDate: Sun Oct 28 18:30:02 2012 -0400
Commit:     CMake Topic Stage <kwrobot at kitware.com>
CommitDate: Sun Oct 28 18:30:02 2012 -0400

    Merge topic 'parisc-default-flags' into next
    
    7ce5841 set default linker flags for building on Linux/PA-RISC
    abe4edf CMake Nightly Date Stamp


http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=7ce58412080f85cb7a1758e0f236cd79c2ace26c
commit 7ce58412080f85cb7a1758e0f236cd79c2ace26c
Author:     Rolf Eike Beer <eike at sf-mail.de>
AuthorDate: Sun Oct 28 23:23:29 2012 +0100
Commit:     Rolf Eike Beer <eike at sf-mail.de>
CommitDate: Sun Oct 28 23:23:29 2012 +0100

    set default linker flags for building on Linux/PA-RISC
    
    There is a binutils bug that leads to errors like this:
    
    /usr/lib/gcc/hppa2.0-unknown-linux-gnu/4.6.3/../../../../hppa2.0-unknown-linux-gnu/bin/ld: libCMakeLib.a(cmTarget.cxx.o)(.text+0x12084): cannot reach 00001d28__ZNSspLEPKc@@GLIBCXX_3.4+0, recompile with -ffunction-sections
    /usr/lib/gcc/hppa2.0-unknown-linux-gnu/4.6.3/../../../../hppa2.0-unknown-linux-gnu/bin/ld: libCMakeLib.a(cmTarget.cxx.o)(.text+0x12084): cannot handle R_PARISC_PCREL17F for std::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator+=(char const*)@@GLIBCXX_3.4
    /usr/lib/gcc/hppa2.0-unknown-linux-gnu/4.6.3/../../../../hppa2.0-unknown-linux-gnu/bin/ld: final link failed: Bad value
    
    Until someone finds out what needs to be fixed in binutils this allows anyone
    to compile a working CMake even in debug mode.

diff --git a/CompileFlags.cmake b/CompileFlags.cmake
index b2044e4..20f5dec 100644
--- a/CompileFlags.cmake
+++ b/CompileFlags.cmake
@@ -62,3 +62,9 @@ endif ()
 if (CMAKE_ANSI_CFLAGS)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_ANSI_CFLAGS}")
 endif ()
+
+# avoid binutils problem with large binaries, e.g. when building CMake in debug mode
+# See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50230
+if (CMAKE_SYSTEM_NAME STREQUAL Linux AND CMAKE_SYSTEM_PROCESSOR STREQUAL parisc)
+  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--unique=.text.*")
+endif ()

-----------------------------------------------------------------------

Summary of changes:
 CompileFlags.cmake        |    6 ++++++
 Source/CMakeVersion.cmake |    2 +-
 2 files changed, 7 insertions(+), 1 deletions(-)


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