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-rw-r--r--Source/cmComputeLinkInformation.cxx10
-rw-r--r--Source/cmComputeLinkInformation.h1
-rw-r--r--Source/cmDocumentVariables.cxx9
-rw-r--r--Source/cmTarget.cxx17
-rw-r--r--Tests/BuildDepends/CMakeLists.txt34
-rw-r--r--Tests/BuildDepends/Project/CMakeLists.txt15
-rw-r--r--Tests/BuildDepends/Project/link_depends_no_shared_check.cmake7
-rw-r--r--Tests/BuildDepends/Project/link_depends_no_shared_exe.c9
-rw-r--r--Tests/BuildDepends/Project/link_depends_no_shared_lib.c8
9 files changed, 109 insertions, 1 deletions
diff --git a/Source/cmComputeLinkInformation.cxx b/Source/cmComputeLinkInformation.cxx
index cd3ef59..d8ffb5e 100644
--- a/Source/cmComputeLinkInformation.cxx
+++ b/Source/cmComputeLinkInformation.cxx
@@ -277,6 +277,10 @@ cmComputeLinkInformation
this->UseImportLibrary =
this->Makefile->GetDefinition("CMAKE_IMPORT_LIBRARY_SUFFIX")?true:false;
+ // Check whether we should skip dependencies on shared library files.
+ this->LinkDependsNoShared =
+ this->Target->GetPropertyAsBool("LINK_DEPENDS_NO_SHARED");
+
// On platforms without import libraries there may be a special flag
// to use when creating a plugin (module) that obtains symbols from
// the program that will load it.
@@ -650,7 +654,11 @@ void cmComputeLinkInformation::AddItem(std::string const& item, cmTarget* tgt)
// Pass the full path to the target file.
std::string lib = tgt->GetFullPath(config, implib, true);
- this->Depends.push_back(lib);
+ if(!this->LinkDependsNoShared ||
+ tgt->GetType() != cmTarget::SHARED_LIBRARY)
+ {
+ this->Depends.push_back(lib);
+ }
this->AddTargetItem(lib, tgt);
this->AddLibraryRuntimeInfo(lib, tgt);
diff --git a/Source/cmComputeLinkInformation.h b/Source/cmComputeLinkInformation.h
index f60f8d3..e0078af 100644
--- a/Source/cmComputeLinkInformation.h
+++ b/Source/cmComputeLinkInformation.h
@@ -82,6 +82,7 @@ private:
// Configuration information.
const char* Config;
const char* LinkLanguage;
+ bool LinkDependsNoShared;
// Modes for dealing with dependent shared libraries.
enum SharedDepMode
diff --git a/Source/cmDocumentVariables.cxx b/Source/cmDocumentVariables.cxx
index 8db0e8f..55d70f8 100644
--- a/Source/cmDocumentVariables.cxx
+++ b/Source/cmDocumentVariables.cxx
@@ -1222,6 +1222,15 @@ void cmDocumentVariables::DefineVariables(cmake* cm)
"Variables that Control the Build");
cm->DefineProperty
+ ("CMAKE_LINK_DEPENDS_NO_SHARED", cmProperty::VARIABLE,
+ "Whether to skip link dependencies on shared library files.",
+ "This variable initializes the LINK_DEPENDS_NO_SHARED "
+ "property on targets when they are created. "
+ "See that target property for additional information.",
+ false,
+ "Variables that Control the Build");
+
+ cm->DefineProperty
("CMAKE_AUTOMOC", cmProperty::VARIABLE,
"Whether to handle moc automatically for Qt targets.",
"This variable is used to initialize the "
diff --git a/Source/cmTarget.cxx b/Source/cmTarget.cxx
index f3eb52b..a81fa3e 100644
--- a/Source/cmTarget.cxx
+++ b/Source/cmTarget.cxx
@@ -651,6 +651,22 @@ void cmTarget::DefineProperties(cmake *cm)
"custom Makefile link rules.");
cm->DefineProperty
+ ("LINK_DEPENDS_NO_SHARED", cmProperty::TARGET,
+ "Do not depend on linked shared library files.",
+ "Set this property to true to tell CMake generators not to add "
+ "file-level dependencies on the shared library files linked by "
+ "this target. "
+ "Modification to the shared libraries will not be sufficient to "
+ "re-link this target. "
+ "Logical target-level dependencies will not be affected so the "
+ "linked shared libraries will still be brought up to date before "
+ "this target is built."
+ "\n"
+ "This property is initialized by the value of the variable "
+ "CMAKE_LINK_DEPENDS_NO_SHARED if it is set when a target is "
+ "created.");
+
+ cm->DefineProperty
("LINK_INTERFACE_LIBRARIES", cmProperty::TARGET,
"List public interface libraries for a shared library or executable.",
"By default linking to a shared library target transitively "
@@ -1314,6 +1330,7 @@ void cmTarget::SetMakefile(cmMakefile* mf)
this->SetPropertyDefault("OSX_ARCHITECTURES", 0);
this->SetPropertyDefault("AUTOMOC", 0);
this->SetPropertyDefault("AUTOMOC_MOC_OPTIONS", 0);
+ this->SetPropertyDefault("LINK_DEPENDS_NO_SHARED", 0);
this->SetPropertyDefault("LINK_INTERFACE_LIBRARIES", 0);
this->SetPropertyDefault("WIN32_EXECUTABLE", 0);
this->SetPropertyDefault("MACOSX_BUNDLE", 0);
diff --git a/Tests/BuildDepends/CMakeLists.txt b/Tests/BuildDepends/CMakeLists.txt
index 2a70b6e..2792751 100644
--- a/Tests/BuildDepends/CMakeLists.txt
+++ b/Tests/BuildDepends/CMakeLists.txt
@@ -60,6 +60,12 @@ file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot_macro_dir.hxx
file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot_macro_tgt.hxx
"static const char* zot_macro_tgt = \"zot_macro_tgt\";\n")
+file(WRITE ${BuildDepends_BINARY_DIR}/Project/link_depends_no_shared_lib.h
+ "#define link_depends_no_shared_lib_value 1\n")
+file(WRITE ${BuildDepends_BINARY_DIR}/Project/link_depends_no_shared_exe.h
+ "#define link_depends_no_shared_exe_value 0\n")
+set(link_depends_no_shared_check_txt ${BuildDepends_BINARY_DIR}/Project/link_depends_no_shared_check.txt)
+
help_xcode_depends()
message("Building project first time")
@@ -125,6 +131,19 @@ else()
message(SEND_ERROR "Project did not initially build properly: ${out}")
endif()
+if(EXISTS "${link_depends_no_shared_check_txt}")
+ file(STRINGS "${link_depends_no_shared_check_txt}" link_depends_no_shared_check LIMIT_COUNT 1)
+ if("${link_depends_no_shared_check}" STREQUAL "1")
+ message(STATUS "link_depends_no_shared_exe is newer than link_depends_no_shared_lib as expected.")
+ else()
+ message(SEND_ERROR "Project did not initially build properly: "
+ "link_depends_no_shared_exe is older than link_depends_no_shared_lib.")
+ endif()
+else()
+ message(SEND_ERROR "Project did not initially build properly: "
+ "Targets link_depends_no_shared_lib and link_depends_no_shared_exe not both built.")
+endif()
+
message("Waiting 3 seconds...")
# any additional argument will cause ${bar} to wait forever
execute_process(COMMAND ${bar} -infinite TIMEOUT 3 OUTPUT_VARIABLE out)
@@ -141,6 +160,9 @@ file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot_macro_dir.hxx
file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot_macro_tgt.hxx
"static const char* zot_macro_tgt = \"zot_macro_tgt changed\";\n")
+file(WRITE ${BuildDepends_BINARY_DIR}/Project/link_depends_no_shared_lib.h
+ "#define link_depends_no_shared_lib_value 0\n")
+
if(TEST_LINK_DEPENDS)
file(WRITE ${TEST_LINK_DEPENDS} "2")
endif()
@@ -219,3 +241,15 @@ is not newer than dependency
")
endif()
endif()
+
+if(EXISTS "${link_depends_no_shared_check_txt}")
+ file(STRINGS "${link_depends_no_shared_check_txt}" link_depends_no_shared_check LIMIT_COUNT 1)
+ if("${link_depends_no_shared_check}" STREQUAL "0")
+ message(STATUS "link_depends_no_shared_exe is older than link_depends_no_shared_lib as expected.")
+ else()
+ message(SEND_ERROR "Project did not rebuild properly: link_depends_no_shared_exe is newer than link_depends_no_shared_lib.")
+ endif()
+else()
+ message(SEND_ERROR "Project did not rebuild properly. "
+ "Targets link_depends_no_shared_lib and link_depends_no_shared_exe not both built.")
+endif()
diff --git a/Tests/BuildDepends/Project/CMakeLists.txt b/Tests/BuildDepends/Project/CMakeLists.txt
index 542c716..f8a3d15 100644
--- a/Tests/BuildDepends/Project/CMakeLists.txt
+++ b/Tests/BuildDepends/Project/CMakeLists.txt
@@ -108,3 +108,18 @@ if(TEST_LINK_DEPENDS)
add_executable(linkdep linkdep.cxx)
set_property(TARGET linkdep PROPERTY LINK_DEPENDS ${TEST_LINK_DEPENDS})
endif()
+
+add_library(link_depends_no_shared_lib SHARED link_depends_no_shared_lib.c
+ ${CMAKE_CURRENT_BINARY_DIR}/link_depends_no_shared_lib.h)
+add_executable(link_depends_no_shared_exe link_depends_no_shared_exe.c
+ ${CMAKE_CURRENT_BINARY_DIR}/link_depends_no_shared_exe.h)
+target_link_libraries(link_depends_no_shared_exe link_depends_no_shared_lib)
+set_property(TARGET link_depends_no_shared_exe PROPERTY LINK_DEPENDS_NO_SHARED 1)
+add_custom_target(link_depends_no_shared_check ALL
+ COMMAND ${CMAKE_COMMAND}
+ -Dlib=$<TARGET_FILE:link_depends_no_shared_lib>
+ -Dexe=$<TARGET_FILE:link_depends_no_shared_exe>
+ -Dout=${CMAKE_CURRENT_BINARY_DIR}/link_depends_no_shared_check.txt
+ -P ${CMAKE_CURRENT_SOURCE_DIR}/link_depends_no_shared_check.cmake
+ )
+add_dependencies(link_depends_no_shared_check link_depends_no_shared_exe)
diff --git a/Tests/BuildDepends/Project/link_depends_no_shared_check.cmake b/Tests/BuildDepends/Project/link_depends_no_shared_check.cmake
new file mode 100644
index 0000000..3a61137
--- /dev/null
+++ b/Tests/BuildDepends/Project/link_depends_no_shared_check.cmake
@@ -0,0 +1,7 @@
+if(NOT EXISTS "${lib}" OR NOT EXISTS "${exe}")
+ file(REMOVE "${out}")
+elseif("${exe}" IS_NEWER_THAN "${lib}")
+ file(WRITE "${out}" "1\n")
+else()
+ file(WRITE "${out}" "0\n")
+endif()
diff --git a/Tests/BuildDepends/Project/link_depends_no_shared_exe.c b/Tests/BuildDepends/Project/link_depends_no_shared_exe.c
new file mode 100644
index 0000000..e9113a2
--- /dev/null
+++ b/Tests/BuildDepends/Project/link_depends_no_shared_exe.c
@@ -0,0 +1,9 @@
+#include "link_depends_no_shared_exe.h"
+#ifdef _WIN32
+__declspec(dllimport)
+#endif
+int link_depends_no_shared_lib(void);
+int main()
+{
+ return link_depends_no_shared_lib() + link_depends_no_shared_exe_value;
+}
diff --git a/Tests/BuildDepends/Project/link_depends_no_shared_lib.c b/Tests/BuildDepends/Project/link_depends_no_shared_lib.c
new file mode 100644
index 0000000..d226289
--- /dev/null
+++ b/Tests/BuildDepends/Project/link_depends_no_shared_lib.c
@@ -0,0 +1,8 @@
+#include "link_depends_no_shared_lib.h"
+#ifdef _WIN32
+__declspec(dllexport)
+#endif
+int link_depends_no_shared_lib(void)
+{
+ return link_depends_no_shared_lib_value;
+}