1 /* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
2 file Copyright.txt or https://cmake.org/licensing for details. */
3 #include "cmTargetPrecompileHeadersCommand.h"
7 #include "cmGeneratorExpression.h"
8 #include "cmMakefile.h"
9 #include "cmMessageType.h"
10 #include "cmStringAlgorithms.h"
11 #include "cmSystemTools.h"
13 #include "cmTargetPropCommandBase.h"
17 std::vector<std::string> ConvertToAbsoluteContent(
18 const std::vector<std::string>& content, std::string const& baseDir)
20 std::vector<std::string> absoluteContent;
21 absoluteContent.reserve(content.size());
22 for (std::string const& src : content) {
23 std::string absoluteSrc;
24 // Use '<foo.h>' and '"foo.h"' includes and absolute paths as-is.
25 // Interpret relative paths with respect to the source directory.
26 // If the path starts in a generator expression, assume it is absolute.
27 if (cmHasLiteralPrefix(src, "<") || cmHasLiteralPrefix(src, "\"") ||
28 cmSystemTools::FileIsFullPath(src) ||
29 cmGeneratorExpression::Find(src) == 0) {
32 absoluteSrc = cmStrCat(baseDir, '/', src);
34 absoluteContent.emplace_back(std::move(absoluteSrc));
36 return absoluteContent;
39 class TargetPrecompileHeadersImpl : public cmTargetPropCommandBase
42 using cmTargetPropCommandBase::cmTargetPropCommandBase;
45 bool HandleDirectContent(cmTarget* tgt,
46 const std::vector<std::string>& content,
47 bool /*prepend*/, bool /*system*/) override
49 std::string const& base = this->Makefile->GetCurrentSourceDirectory();
50 tgt->AppendProperty("PRECOMPILE_HEADERS",
51 this->Join(ConvertToAbsoluteContent(content, base)));
55 void HandleInterfaceContent(cmTarget* tgt,
56 const std::vector<std::string>& content,
57 bool prepend, bool system) override
59 std::string const& base = this->Makefile->GetCurrentSourceDirectory();
60 this->cmTargetPropCommandBase::HandleInterfaceContent(
61 tgt, ConvertToAbsoluteContent(content, base), prepend, system);
64 void HandleMissingTarget(const std::string& name) override
66 this->Makefile->IssueMessage(
67 MessageType::FATAL_ERROR,
68 cmStrCat("Cannot specify precompile headers for target \"", name,
69 "\" which is not built by this project."));
72 std::string Join(const std::vector<std::string>& content) override
74 return cmJoin(content, ";");
80 bool cmTargetPrecompileHeadersCommand(std::vector<std::string> const& args,
81 cmExecutionStatus& status)
83 return TargetPrecompileHeadersImpl(status).HandleArguments(
84 args, "PRECOMPILE_HEADERS",
85 TargetPrecompileHeadersImpl::PROCESS_REUSE_FROM);