Commit 1c84b5c8 authored by Brad King's avatar Brad King Committed by Kitware Robot

Merge topic 'pch-makefile-depends'

797689ab PCH: Fix Makefile dependencies to rebuild PCH on header changes
0b10b3ed cmMakefileTargetGenerator: Inline WriteObjectBuildFile in only call site
Acked-by: Kitware Robot's avatarKitware Robot <kwrobot@kitware.com>
Merge-request: !3928
parents 154aa87c 797689ab
Pipeline #148792 passed with stage
in 0 seconds
......@@ -423,25 +423,17 @@ void cmMakefileTargetGenerator::WriteObjectRuleFiles(
// Create the directory containing the object file. This may be a
// subdirectory under the target's directory.
std::string dir = cmSystemTools::GetFilenamePath(obj);
cmSystemTools::MakeDirectory(this->LocalGenerator->ConvertToFullPath(dir));
{
std::string dir = cmSystemTools::GetFilenamePath(obj);
cmSystemTools::MakeDirectory(this->LocalGenerator->ConvertToFullPath(dir));
}
// Save this in the target's list of object files.
this->Objects.push_back(obj);
this->CleanFiles.insert(obj);
// TODO: Remove
// std::string relativeObj
//= this->LocalGenerator->GetHomeRelativeOutputPath();
// relativeObj += obj;
// we compute some depends when writing the depend.make that we will also
// use in the build.make, same with depMakeFile
std::vector<std::string> depends;
// generate the build rule file
this->WriteObjectBuildFile(obj, lang, source, depends);
// The object file should be checked for dependency integrity.
std::string objFullPath =
cmStrCat(this->LocalGenerator->GetCurrentBinaryDirectory(), '/', obj);
......@@ -450,12 +442,7 @@ void cmMakefileTargetGenerator::WriteObjectRuleFiles(
cmSystemTools::CollapseFullPath(source.GetFullPath());
this->LocalGenerator->AddImplicitDepends(this->GeneratorTarget, lang,
objFullPath, srcFullPath);
}
void cmMakefileTargetGenerator::WriteObjectBuildFile(
std::string& obj, const std::string& lang, cmSourceFile const& source,
std::vector<std::string>& depends)
{
this->LocalGenerator->AppendRuleDepend(depends,
this->FlagFileNameFull.c_str());
this->LocalGenerator->AppendRuleDepends(depends,
......@@ -471,10 +458,14 @@ void cmMakefileTargetGenerator::WriteObjectBuildFile(
const std::string pchSource =
this->GeneratorTarget->GetPchSource(config, lang);
if (!pchSource.empty() && !source.GetProperty("SKIP_PRECOMPILE_HEADERS")) {
depends.push_back(this->GeneratorTarget->GetPchHeader(config, lang));
std::string const& pchHeader =
this->GeneratorTarget->GetPchHeader(config, lang);
depends.push_back(pchHeader);
if (source.GetFullPath() != pchSource) {
depends.push_back(this->GeneratorTarget->GetPchFile(config, lang));
}
this->LocalGenerator->AddImplicitDepends(this->GeneratorTarget, lang,
objFullPath, pchHeader);
}
std::string relativeObj =
......
......@@ -91,11 +91,6 @@ protected:
// write the rules for an object
void WriteObjectRuleFiles(cmSourceFile const& source);
// write the build rule for an object
void WriteObjectBuildFile(std::string& obj, const std::string& lang,
cmSourceFile const& source,
std::vector<std::string>& depends);
// write the depend.make file for an object
void WriteObjectDependRules(cmSourceFile const& source,
std::vector<std::string>& depends);
......
......@@ -62,6 +62,12 @@ file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot_macro_dir.hxx
"static const char* zot_macro_dir = \"zot_macro_dir\";\n")
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/zot_pch.hxx
"#ifndef ZOT_PCH_HXX\n"
"#define ZOT_PCH_HXX\n"
"static const char* zot_pch = \"zot_pch\";\n"
"#endif\n"
)
file(WRITE ${BuildDepends_BINARY_DIR}/Project/link_depends_no_shared_lib.h
"#define link_depends_no_shared_lib_value 1\n")
......@@ -155,7 +161,7 @@ execute_process(COMMAND ${zot} OUTPUT_VARIABLE out RESULT_VARIABLE runResult)
string(REGEX REPLACE "[\r\n]" " " out "${out}")
message("Run result: ${runResult} Output: \"${out}\"")
set(VALUE_UNCHANGED "[zot] [zot_custom] [zot_macro_dir] [zot_macro_tgt] ")
set(VALUE_UNCHANGED "[zot] [zot_custom] [zot_macro_dir] [zot_macro_tgt] [zot_pch] ")
if("${out}" STREQUAL "${VALUE_UNCHANGED}")
message("Worked!")
else()
......@@ -245,6 +251,12 @@ file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot_macro_dir.hxx
"static const char* zot_macro_dir = \"zot_macro_dir changed\";\n")
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/zot_pch.hxx
"#ifndef ZOT_PCH_HXX\n"
"#define ZOT_PCH_HXX\n"
"static const char* zot_pch = \"zot_pch changed\";\n"
"#endif\n"
)
file(WRITE ${BuildDepends_BINARY_DIR}/Project/link_depends_no_shared_lib.h
"#define link_depends_no_shared_lib_value 0\n")
......@@ -326,7 +338,7 @@ string(REGEX REPLACE "[\r\n]" " " out "${out}")
message("Run result: ${runResult} Output: \"${out}\"")
set(VALUE_CHANGED
"[zot changed] [zot_custom changed] [zot_macro_dir changed] [zot_macro_tgt changed] "
"[zot changed] [zot_custom changed] [zot_macro_dir changed] [zot_macro_tgt changed] [zot_pch changed] "
)
if("${out}" STREQUAL "${VALUE_CHANGED}")
message("Worked!")
......
......@@ -93,6 +93,12 @@ add_executable(zot zot.cxx ${CMAKE_CURRENT_BINARY_DIR}/zot.hxx
zot_macro_dir.cxx zot_macro_tgt.cxx)
add_dependencies(zot zot_custom)
add_library(zot_pch zot_pch.cxx)
target_link_libraries(zot zot_pch)
if(NOT CMAKE_OSX_ARCHITECTURES MATCHES "[;$]")
target_precompile_headers(zot_pch PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/zot_pch.hxx)
endif()
# Test the #include line macro transformation rule support.
set_property(
TARGET zot
......
......@@ -4,11 +4,12 @@
const char* zot_macro_dir_f();
const char* zot_macro_tgt_f();
const char* zot_pch_f();
int main()
{
printf("[%s] [%s] [%s] [%s]\n", zot, zot_custom, zot_macro_dir_f(),
zot_macro_tgt_f());
printf("[%s] [%s] [%s] [%s] [%s]\n", zot, zot_custom, zot_macro_dir_f(),
zot_macro_tgt_f(), zot_pch_f());
fflush(stdout);
return 0;
}
#include <zot_pch.hxx>
const char* zot_pch_f()
{
return zot_pch;
}
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