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-rw-r--r--Help/command/find_library.rst10
-rw-r--r--Help/manual/cmake-properties.7.rst1
-rw-r--r--Help/prop_gbl/FIND_LIBRARY_USE_LIBX32_PATHS.rst12
-rw-r--r--Help/variable/CMAKE_FIND_LIBRARY_CUSTOM_LIB_SUFFIX.rst1
-rw-r--r--Modules/CMakeCompilerABI.h4
-rw-r--r--Modules/FindPkgConfig.cmake4
-rw-r--r--Modules/Platform/UnixPaths.cmake1
-rw-r--r--Source/cmExportInstallFileGenerator.cxx4
-rw-r--r--Source/cmFindLibraryCommand.cxx9
-rw-r--r--Source/cmFindPackageCommand.cxx11
-rw-r--r--Source/cmFindPackageCommand.h1
-rw-r--r--Source/cmMakefile.cxx17
-rw-r--r--Source/cmMakefile.h2
13 files changed, 74 insertions, 3 deletions
diff --git a/Help/command/find_library.rst b/Help/command/find_library.rst
index e912040b2f..f774f17ec9 100644
--- a/Help/command/find_library.rst
+++ b/Help/command/find_library.rst
@@ -53,7 +53,8 @@ If the :variable:`CMAKE_FIND_LIBRARY_CUSTOM_LIB_SUFFIX` variable is set all
search paths will be tested as normal, with the suffix appended, and with
all matches of ``lib/`` replaced with
``lib${CMAKE_FIND_LIBRARY_CUSTOM_LIB_SUFFIX}/``. This variable overrides
-the :prop_gbl:`FIND_LIBRARY_USE_LIB32_PATHS`
+the :prop_gbl:`FIND_LIBRARY_USE_LIB32_PATHS`,
+:prop_gbl:`FIND_LIBRARY_USE_LIBX32_PATHS`,
and :prop_gbl:`FIND_LIBRARY_USE_LIB64_PATHS` global properties.
If the :prop_gbl:`FIND_LIBRARY_USE_LIB32_PATHS` global property is set
@@ -63,6 +64,13 @@ automatically set for the platforms that are known to need it if at
least one of the languages supported by the :command:`project` command
is enabled.
+If the :prop_gbl:`FIND_LIBRARY_USE_LIBX32_PATHS` global property is set
+all search paths will be tested as normal, with ``x32/`` appended, and
+with all matches of ``lib/`` replaced with ``libx32/``. This property is
+automatically set for the platforms that are known to need it if at
+least one of the languages supported by the :command:`project` command
+is enabled.
+
If the :prop_gbl:`FIND_LIBRARY_USE_LIB64_PATHS` global property is set
all search paths will be tested as normal, with ``64/`` appended, and
with all matches of ``lib/`` replaced with ``lib64/``. This property is
diff --git a/Help/manual/cmake-properties.7.rst b/Help/manual/cmake-properties.7.rst
index 5bd63654eb..2157ba5ba7 100644
--- a/Help/manual/cmake-properties.7.rst
+++ b/Help/manual/cmake-properties.7.rst
@@ -26,6 +26,7 @@ Properties of Global Scope
/prop_gbl/ENABLED_LANGUAGES
/prop_gbl/FIND_LIBRARY_USE_LIB32_PATHS
/prop_gbl/FIND_LIBRARY_USE_LIB64_PATHS
+ /prop_gbl/FIND_LIBRARY_USE_LIBX32_PATHS
/prop_gbl/FIND_LIBRARY_USE_OPENBSD_VERSIONING
/prop_gbl/GLOBAL_DEPENDS_DEBUG_MODE
/prop_gbl/GLOBAL_DEPENDS_NO_CYCLES
diff --git a/Help/prop_gbl/FIND_LIBRARY_USE_LIBX32_PATHS.rst b/Help/prop_gbl/FIND_LIBRARY_USE_LIBX32_PATHS.rst
new file mode 100644
index 0000000000..b87b09be11
--- /dev/null
+++ b/Help/prop_gbl/FIND_LIBRARY_USE_LIBX32_PATHS.rst
@@ -0,0 +1,12 @@
+FIND_LIBRARY_USE_LIBX32_PATHS
+-----------------------------
+
+Whether the :command:`find_library` command should automatically search
+``libx32`` directories.
+
+``FIND_LIBRARY_USE_LIBX32_PATHS`` is a boolean specifying whether the
+:command:`find_library` command should automatically search the ``libx32``
+variant of directories called ``lib`` in the search path when building
+x32-abi binaries.
+
+See also the :variable:`CMAKE_FIND_LIBRARY_CUSTOM_LIB_SUFFIX` variable.
diff --git a/Help/variable/CMAKE_FIND_LIBRARY_CUSTOM_LIB_SUFFIX.rst b/Help/variable/CMAKE_FIND_LIBRARY_CUSTOM_LIB_SUFFIX.rst
index f7c6524407..ada89559f5 100644
--- a/Help/variable/CMAKE_FIND_LIBRARY_CUSTOM_LIB_SUFFIX.rst
+++ b/Help/variable/CMAKE_FIND_LIBRARY_CUSTOM_LIB_SUFFIX.rst
@@ -9,3 +9,4 @@ This overrides the behavior of related global properties:
* :prop_gbl:`FIND_LIBRARY_USE_LIB32_PATHS`
* :prop_gbl:`FIND_LIBRARY_USE_LIB64_PATHS`
+* :prop_gbl:`FIND_LIBRARY_USE_LIBX32_PATHS`
diff --git a/Modules/CMakeCompilerABI.h b/Modules/CMakeCompilerABI.h
index f2714b4eab..ad481d6f09 100644
--- a/Modules/CMakeCompilerABI.h
+++ b/Modules/CMakeCompilerABI.h
@@ -25,6 +25,10 @@ const char info_sizeof_dptr[] = {
#elif defined(__GNU__) && defined(__ELF__) && defined(__ARMEL__)
#define ABI_ID "ELF ARM"
+#elif defined(__linux__) && defined(__ELF__) && defined(__amd64__) && \
+ defined(__ILP32__)
+#define ABI_ID "ELF X32"
+
#elif defined(__ELF__)
#define ABI_ID "ELF"
#endif
diff --git a/Modules/FindPkgConfig.cmake b/Modules/FindPkgConfig.cmake
index a69081f203..54572f03ea 100644
--- a/Modules/FindPkgConfig.cmake
+++ b/Modules/FindPkgConfig.cmake
@@ -312,6 +312,10 @@ macro(_pkg_check_modules_internal _is_required _is_silent _no_cmake_path _no_cma
if(uselib64 AND CMAKE_SIZEOF_VOID_P EQUAL 8)
list(APPEND _lib_dirs "lib64/pkgconfig")
endif()
+ get_property(uselibx32 GLOBAL PROPERTY FIND_LIBRARY_USE_LIBX32_PATHS)
+ if(uselibx32 AND CMAKE_INTERNAL_PLATFORM_ABI STREQUAL "ELF X32")
+ list(APPEND _lib_dirs "libx32/pkgconfig")
+ endif()
endif()
endif()
list(APPEND _lib_dirs "lib/pkgconfig")
diff --git a/Modules/Platform/UnixPaths.cmake b/Modules/Platform/UnixPaths.cmake
index b216d03db6..c1d2c03bff 100644
--- a/Modules/Platform/UnixPaths.cmake
+++ b/Modules/Platform/UnixPaths.cmake
@@ -86,3 +86,4 @@ list(APPEND CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES
# Enable use of lib32 and lib64 search path variants by default.
set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB32_PATHS TRUE)
set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS TRUE)
+set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIBX32_PATHS TRUE)
diff --git a/Source/cmExportInstallFileGenerator.cxx b/Source/cmExportInstallFileGenerator.cxx
index 64ea3c8a0c..3b76a87222 100644
--- a/Source/cmExportInstallFileGenerator.cxx
+++ b/Source/cmExportInstallFileGenerator.cxx
@@ -195,8 +195,10 @@ void cmExportInstallFileGenerator::GenerateImportPrefix(std::ostream& os)
<< " \"${CMAKE_CURRENT_LIST_FILE}\" PATH)\n";
if (cmHasLiteralPrefix(absDestS.c_str(), "/lib/") ||
cmHasLiteralPrefix(absDestS.c_str(), "/lib64/") ||
+ cmHasLiteralPrefix(absDestS.c_str(), "/libx32/") ||
cmHasLiteralPrefix(absDestS.c_str(), "/usr/lib/") ||
- cmHasLiteralPrefix(absDestS.c_str(), "/usr/lib64/")) {
+ cmHasLiteralPrefix(absDestS.c_str(), "/usr/lib64/") ||
+ cmHasLiteralPrefix(absDestS.c_str(), "/usr/libx32/")) {
// Handle "/usr move" symlinks created by some Linux distros.
/* clang-format off */
os <<
diff --git a/Source/cmFindLibraryCommand.cxx b/Source/cmFindLibraryCommand.cxx
index 69f9078a71..e92d672c3c 100644
--- a/Source/cmFindLibraryCommand.cxx
+++ b/Source/cmFindLibraryCommand.cxx
@@ -43,7 +43,8 @@ bool cmFindLibraryCommand::InitialPass(std::vector<std::string> const& argsIn,
return true;
}
- // add custom lib<qual> paths instead of using fixed lib32 or lib64
+ // add custom lib<qual> paths instead of using fixed lib32, lib64 or
+ // libx32
if (const char* customLib = this->Makefile->GetDefinition(
"CMAKE_FIND_LIBRARY_CUSTOM_LIB_SUFFIX")) {
this->AddArchitecturePaths(customLib);
@@ -60,6 +61,12 @@ bool cmFindLibraryCommand::InitialPass(std::vector<std::string> const& argsIn,
"FIND_LIBRARY_USE_LIB64_PATHS")) {
this->AddArchitecturePaths("64");
}
+ // add special 32 bit paths if this is an x32 compile.
+ else if (this->Makefile->PlatformIsx32() &&
+ this->Makefile->GetState()->GetGlobalPropertyAsBool(
+ "FIND_LIBRARY_USE_LIBX32_PATHS")) {
+ this->AddArchitecturePaths("x32");
+ }
std::string library = this->FindLibrary();
if (library != "") {
diff --git a/Source/cmFindPackageCommand.cxx b/Source/cmFindPackageCommand.cxx
index 60de74f416..4b2983775a 100644
--- a/Source/cmFindPackageCommand.cxx
+++ b/Source/cmFindPackageCommand.cxx
@@ -92,6 +92,7 @@ cmFindPackageCommand::cmFindPackageCommand()
this->DebugMode = false;
this->UseLib32Paths = false;
this->UseLib64Paths = false;
+ this->UseLibx32Paths = false;
this->PolicyScope = true;
this->VersionMajor = 0;
this->VersionMinor = 0;
@@ -173,6 +174,13 @@ bool cmFindPackageCommand::InitialPass(std::vector<std::string> const& args,
this->UseLib64Paths = true;
}
+ // Lookup whether libx32 paths should be used.
+ if (this->Makefile->PlatformIsx32() &&
+ this->Makefile->GetState()->GetGlobalPropertyAsBool(
+ "FIND_LIBRARY_USE_LIBX32_PATHS")) {
+ this->UseLibx32Paths = true;
+ }
+
// Check if User Package Registry should be disabled
if (this->Makefile->IsOn("CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY")) {
this->NoUserRegistry = true;
@@ -2002,6 +2010,9 @@ bool cmFindPackageCommand::SearchPrefix(std::string const& prefix_in)
if (this->UseLib64Paths) {
common.push_back("lib64");
}
+ if (this->UseLibx32Paths) {
+ common.push_back("libx32");
+ }
common.push_back("lib");
common.push_back("share");
diff --git a/Source/cmFindPackageCommand.h b/Source/cmFindPackageCommand.h
index d4548928df..61a8dd6f44 100644
--- a/Source/cmFindPackageCommand.h
+++ b/Source/cmFindPackageCommand.h
@@ -169,6 +169,7 @@ private:
bool DebugMode;
bool UseLib32Paths;
bool UseLib64Paths;
+ bool UseLibx32Paths;
bool PolicyScope;
std::string LibraryArchitecture;
std::vector<std::string> Names;
diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index c75d101ddc..da32dd78f7 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -2149,6 +2149,12 @@ bool cmMakefile::IsSet(const std::string& name) const
bool cmMakefile::PlatformIs32Bit() const
{
+ if (const char* plat_abi =
+ this->GetDefinition("CMAKE_INTERNAL_PLATFORM_ABI")) {
+ if (strcmp(plat_abi, "ELF X32") == 0) {
+ return false;
+ }
+ }
if (const char* sizeof_dptr = this->GetDefinition("CMAKE_SIZEOF_VOID_P")) {
return atoi(sizeof_dptr) == 4;
}
@@ -2163,6 +2169,17 @@ bool cmMakefile::PlatformIs64Bit() const
return false;
}
+bool cmMakefile::PlatformIsx32() const
+{
+ if (const char* plat_abi =
+ this->GetDefinition("CMAKE_INTERNAL_PLATFORM_ABI")) {
+ if (strcmp(plat_abi, "ELF X32") == 0) {
+ return true;
+ }
+ }
+ return false;
+}
+
bool cmMakefile::PlatformIsAppleIos() const
{
std::string sdkRoot;
diff --git a/Source/cmMakefile.h b/Source/cmMakefile.h
index 4d5ce98842..4e48c8888b 100644
--- a/Source/cmMakefile.h
+++ b/Source/cmMakefile.h
@@ -436,6 +436,8 @@ public:
/** Return whether the target platform is 64-bit. */
bool PlatformIs64Bit() const;
+ /** Return whether the target platform is x32. */
+ bool PlatformIsx32() const;
/** Return whether the target platform is Apple iOS. */
bool PlatformIsAppleIos() const;
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