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BUG: Added TARGET_ARCHIVES_MAY_BE_SHARED_LIBS global property to help compute proper rpath information on AIX when shared libraries have names like "libfoo.a".

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This commit is contained in:
Brad King 2008-02-04 15:22:10 -05:00
parent c12a7e388d
commit 847c8403fe
4 changed files with 34 additions and 2 deletions
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3
Modules/Platform/AIX.cmake
View File

@ -12,6 +12,9 @@ SET(CMAKE_PLATFORM_REQUIRED_RUNTIME_PATH /usr/lib /lib)
SET(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-blibpath:")
SET(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":")
# Files named "libfoo.a" may actually be shared libraries.
SET_PROPERTY(GLOBAL PROPERTY TARGET_ARCHIVES_MAY_BE_SHARED_LIBS 1)
# CXX Compiler
IF(CMAKE_COMPILER_IS_GNUCXX)
SET(CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS "-shared -Wl,-G") # -shared

23
Source/cmComputeLinkInformation.cxx
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@ -23,6 +23,7 @@
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmTarget.h"
#include "cmake.h"
#include <ctype.h>
@ -222,6 +223,7 @@ cmComputeLinkInformation
this->Makefile = this->Target->GetMakefile();
this->LocalGenerator = this->Makefile->GetLocalGenerator();
this->GlobalGenerator = this->LocalGenerator->GetGlobalGenerator();
this->CMakeInstance = this->GlobalGenerator->GetCMakeInstance();
// The configuration being linked.
this->Config = config;
@ -649,6 +651,11 @@ void cmComputeLinkInformation::AddSharedDepItem(std::string const& item,
//----------------------------------------------------------------------------
void cmComputeLinkInformation::ComputeLinkTypeInfo()
{
// Check whether archives may actually be shared libraries.
this->ArchivesMayBeShared =
this->CMakeInstance->GetPropertyAsBool(
"TARGET_ARCHIVES_MAY_BE_SHARED_LIBS");
// First assume we cannot do link type stuff.
this->LinkTypeEnabled = false;
@ -1260,8 +1267,20 @@ cmComputeLinkInformation::AddLibraryRuntimeInfo(std::string const& fullPath,
std::string file = cmSystemTools::GetFilenameName(fullPath);
if(!this->ExtractSharedLibraryName.find(file.c_str()))
{
// This is not the name of a shared library.
return;
// On some platforms (AIX) a shared library may look static.
if(this->ArchivesMayBeShared)
{
if(!this->ExtractStaticLibraryName.find(file.c_str()))
{
// This is not the name of a shared library or archive.
return;
}
}
else
{
// This is not the name of a shared library.
return;
}
}
// Include this library in the runtime path ordering.

3
Source/cmComputeLinkInformation.h
View File

@ -21,6 +21,7 @@
#include <cmsys/RegularExpression.hxx>
class cmake;
class cmGlobalGenerator;
class cmLocalGenerator;
class cmMakefile;
@ -79,6 +80,7 @@ private:
cmMakefile* Makefile;
cmLocalGenerator* LocalGenerator;
cmGlobalGenerator* GlobalGenerator;
cmake* CMakeInstance;
// Configuration information.
const char* Config;
@ -114,6 +116,7 @@ private:
std::string SharedLinkTypeFlag;
bool LinkTypeEnabled;
void SetCurrentLinkType(LinkType lt);
bool ArchivesMayBeShared;
// Link item parsing.
void ComputeItemParserInfo();

7
Source/cmake.cxx
View File

@ -3245,6 +3245,13 @@ void cmake::DefineProperties(cmake *cm)
"platform supports shared libraries. Basically all current general "
"general purpose OS do so, the exception are usually embedded systems "
"with no or special OSs.");
cm->DefineProperty
("TARGET_ARCHIVES_MAY_BE_SHARED_LIBS", cmProperty::GLOBAL,
"Set if shared libraries may be named like archives.",
"On AIX shared libraries may be named \"lib<name>.a\". "
"This property is set to true on such platforms.");
cm->DefineProperty
("FIND_LIBRARY_USE_LIB64_PATHS", cmProperty::GLOBAL,
"Whether FIND_LIBRARY should automatically search lib64 directories.",