ENH: Added OBJECT_OUTPUTS source file property. Updated PrecompiledHeader test to use it (making the test simpler).

This commit is contained in:
Brad King 2007-09-13 13:37:45 -04:00
parent 782c5c270f
commit 9f542f4ef7
3 changed files with 43 additions and 32 deletions

View File

@ -517,6 +517,25 @@ cmMakefileTargetGenerator
relativeObj.c_str(),
depends, commands, false);
// Check for extra outputs created by the compilation.
if(const char* extra_outputs_str =
source.GetProperty("OBJECT_OUTPUTS"))
{
std::vector<std::string> extra_outputs;
cmSystemTools::ExpandListArgument(extra_outputs_str, extra_outputs);
for(std::vector<std::string>::const_iterator eoi = extra_outputs.begin();
eoi != extra_outputs.end(); ++eoi)
{
// Register this as an extra output for the object file rule.
// This will cause the object file to be rebuilt if the extra
// output is missing.
this->GenerateExtraOutput(eoi->c_str(), relativeObj.c_str(), false);
// Register this as an extra file to clean.
this->CleanFiles.push_back(eoi->c_str());
}
}
bool lang_is_c_or_cxx = ((strcmp(lang, "C") == 0) ||
(strcmp(lang, "CXX") == 0));
bool do_preprocess_rules = lang_is_c_or_cxx &&

View File

@ -401,6 +401,14 @@ void cmSourceFile::DefineProperties(cmake *cm)
"Additional dependencies that should be checked as part of "
"building this source file.");
cm->DefineProperty
("OBJECT_OUTPUTS", cmProperty::SOURCE_FILE,
"Additional outputs for a Makefile rule.",
"Additional outputs created by compilation of this source file. "
"If any of these outputs is missing the object will be recompiled. "
"This is supported only on Makefile generators and will be ignored "
"on other generators.");
cm->DefineProperty
("SYMBOLIC", cmProperty::SOURCE_FILE,
"Is this just a name for a rule.",

View File

@ -13,14 +13,13 @@ ELSE(CMAKE_CONFIGURATION_TYPES)
ENDIF(CMAKE_CONFIGURATION_TYPES)
FILE(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/PCH)
# The VS6 IDE does not support renaming .pch files so we cannot use a
# separate target.
# The VS6 IDE does not support renaming .pch files with /Fp.
IF("${CMAKE_GENERATOR}" MATCHES "Visual Studio 6")
SET(PCH_USE_TARGET 0)
SET(PCH_USE_INCLUDE_DIR 1)
SET(PCH_FILE)
ELSE("${CMAKE_GENERATOR}" MATCHES "Visual Studio 6")
SET(PCH_USE_TARGET 1)
SET(PCH_USE_INCLUDE_DIR 0)
SET(PCH_FILE "\"/Fp${PCH_DIR}/foo_precompiled.pch\"")
ENDIF("${CMAKE_GENERATOR}" MATCHES "Visual Studio 6")
# Choose between an explicit include path and using /I during
@ -34,37 +33,22 @@ ENDIF(PCH_USE_INCLUDE_DIR)
# Create a target that will use a precompiled header.
SET(foo_SRCS foo1.c foo2.c)
IF(PCH_USE_TARGET)
ADD_EXECUTABLE(foo ${foo_SRCS})
ADD_EXECUTABLE(foo foo_precompile.c ${foo_SRCS})
# Create a target to precompile the header for the executable.
ADD_LIBRARY(foo_precompile foo_precompile.c include/foo_precompiled.h)
SET_TARGET_PROPERTIES(foo_precompile PROPERTIES OUTPUT_NAME foo)
ADD_DEPENDENCIES(foo foo_precompile)
# Setup flags on the target to create and use the precompiled header.
SET_TARGET_PROPERTIES(foo PROPERTIES
COMPILE_FLAGS "/Yufoo_precompiled.h /FIfoo_precompiled.h ${PCH_FILE}")
SET_SOURCE_FILES_PROPERTIES(foo_precompile.c PROPERTIES
COMPILE_FLAGS "/Ycfoo_precompiled.h ${PCH_INCLUDE_DIR}")
SET(PCH_TARGETS foo foo_precompile)
SET(PCH_FILE "\"/Fp${PCH_DIR}/foo_precompiled.pch\"")
ELSE(PCH_USE_TARGET)
# Put the precompiled header source directly in the target.
ADD_EXECUTABLE(foo foo_precompile.c ${foo_SRCS})
SET(PCH_TARGETS foo)
ENDIF(PCH_USE_TARGET)
# Add the PCH to the list of files to clean. It is created as a
# side-effect so CMake does not know about it.
SET_DIRECTORY_PROPERTIES(PROPERTIES
ADDITIONAL_MAKE_CLEAN_FILES ${PCH_DIR}/foo_precompiled.pch
)
# Setup flags on the two targets to create and use the precompiled header.
SET_TARGET_PROPERTIES(${PCH_TARGETS} PROPERTIES COMPILE_FLAGS
"/Yufoo_precompiled.h /FIfoo_precompiled.h ${PCH_FILE}")
SET_SOURCE_FILES_PROPERTIES(foo_precompile.c PROPERTIES COMPILE_FLAGS
"/Ycfoo_precompiled.h ${PCH_INCLUDE_DIR}")
# Make sure the object files rebuild when their precompiled header has changed.
# The VS IDE takes care of this automatically.
# Setup dependencies for precompiled header creation and use. The VS
# IDE takes care of this automatically.
IF("${CMAKE_GENERATOR}" MATCHES "Makefile")
# This source file creates the precompiled header as a side-effect.
SET_SOURCE_FILES_PROPERTIES(foo_precompile.c PROPERTIES
OBJECT_OUTPUTS "${PCH_DIR}/foo_precompiled.pch")
# These source files use the precompiled header.
SET_SOURCE_FILES_PROPERTIES(${foo_SRCS} PROPERTIES
OBJECT_DEPENDS "${PCH_DIR}/foo_precompiled.pch")
ENDIF("${CMAKE_GENERATOR}" MATCHES "Makefile")