ENH: Allow users to specify macro-like #include line transforms for dependency scanning.

- Define IMPLICIT_DEPENDS_INCLUDE_TRANSFORM property on targets and directories.
  - Make the directory version inherited.
  - See issue #6648.
This commit is contained in:
Brad King 2008-05-14 11:54:52 -04:00
parent 7652a8a1e5
commit a1bb7e90ef
3 changed files with 70 additions and 0 deletions

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@ -1875,6 +1875,32 @@ void cmLocalUnixMakefileGenerator3
cmakefileStream
<< " )\n";
}
// Store include transform rule properties. Write the directory
// rules first because they may be overridden by later target rules.
std::vector<std::string> transformRules;
if(const char* xform =
this->Makefile->GetProperty("IMPLICIT_DEPENDS_INCLUDE_TRANSFORM"))
{
cmSystemTools::ExpandListArgument(xform, transformRules);
}
if(const char* xform =
target.GetProperty("IMPLICIT_DEPENDS_INCLUDE_TRANSFORM"))
{
cmSystemTools::ExpandListArgument(xform, transformRules);
}
if(!transformRules.empty())
{
cmakefileStream
<< "SET(CMAKE_INCLUDE_TRANSFORMS\n";
for(std::vector<std::string>::const_iterator tri = transformRules.begin();
tri != transformRules.end(); ++tri)
{
cmakefileStream << " " << this->EscapeForCMake(tri->c_str()) << "\n";
}
cmakefileStream
<< " )\n";
}
}
//----------------------------------------------------------------------------

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@ -1294,6 +1294,12 @@ void cmMakefile::InitializeFromParent()
// define flags
this->DefineFlags = parent->DefineFlags;
// Include transform property. There is no per-config version.
{
const char* prop = "IMPLICIT_DEPENDS_INCLUDE_TRANSFORM";
this->SetProperty(prop, parent->GetProperty(prop));
}
// compile definitions property and per-config versions
{
this->SetProperty("COMPILE_DEFINITIONS",
@ -3208,6 +3214,26 @@ void cmMakefile::DefineProperties(cmake *cm)
"This property will be initialized in each directory by its value "
"in the directory's parent.\n");
cm->DefineProperty
("IMPLICIT_DEPENDS_INCLUDE_TRANSFORM", cmProperty::DIRECTORY,
"Specify #include line transforms for dependencies in a directory.",
"This property specifies rules to transform macro-like #include lines "
"during implicit dependency scanning of C and C++ source files. "
"The list of rules must be semicolon-separated with each entry of "
"the form \"A_MACRO(%)=value-with-%\" (the % must be literal). "
"During dependency scanning occurrences of A_MACRO(...) on #include "
"lines will be replaced by the value given with the macro argument "
"substituted for '%'. For example, the entry\n"
" MYDIR(%)=<mydir/%>\n"
"will convert lines of the form\n"
" #include MYDIR(myheader.h)\n"
"to\n"
" #include <mydir/myheader.h>\n"
"allowing the dependency to be followed.\n"
"This property applies to sources in all targets within a directory. "
"The property value is initialized in each directory by its value "
"in the directory's parent.");
cm->DefineProperty
("EXCLUDE_FROM_ALL", cmProperty::DIRECTORY,
"Exclude the directory from the all target of its parent.",

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@ -158,6 +158,24 @@ void cmTarget::DefineProperties(cmake *cm)
"C++ linker (and C++ runtime libraries) for linking even if the "
"target has no C++ code in it.");
cm->DefineProperty
("IMPLICIT_DEPENDS_INCLUDE_TRANSFORM", cmProperty::TARGET,
"Specify #include line transforms for dependencies in a target.",
"This property specifies rules to transform macro-like #include lines "
"during implicit dependency scanning of C and C++ source files. "
"The list of rules must be semicolon-separated with each entry of "
"the form \"A_MACRO(%)=value-with-%\" (the % must be literal). "
"During dependency scanning occurrences of A_MACRO(...) on #include "
"lines will be replaced by the value given with the macro argument "
"substituted for '%'. For example, the entry\n"
" MYDIR(%)=<mydir/%>\n"
"will convert lines of the form\n"
" #include MYDIR(myheader.h)\n"
"to\n"
" #include <mydir/myheader.h>\n"
"allowing the dependency to be followed.\n"
"This property applies to sources in the target on which it is set.");
cm->DefineProperty
("IMPORT_PREFIX", cmProperty::TARGET,
"What comes before the import library name.",