blob: 01c6e11fb45364ae43297ceca400395c30dceca5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmDepends.h"
#include "cmGeneratedFileStream.h"
#include "cmSystemTools.h"
#include <assert.h>
//----------------------------------------------------------------------------
cmDepends::cmDepends()
{
m_Verbose = false;
}
//----------------------------------------------------------------------------
cmDepends::~cmDepends()
{
}
//----------------------------------------------------------------------------
bool cmDepends::Write(const char *src, const char *obj, std::ostream &fout)
{
return this->WriteDependencies(src, obj, fout);
}
//----------------------------------------------------------------------------
void cmDepends::Check(const char *file)
{
// Dependency checks must be done in proper working directory.
std::string oldcwd = ".";
if(m_CompileDirectory != ".")
{
// Get the CWD but do not call CollapseFullPath because
// we only need it to cd back, and the form does not matter
oldcwd = cmSystemTools::GetCurrentWorkingDirectory(false);
cmSystemTools::ChangeDirectory(m_CompileDirectory.c_str());
}
// Check whether dependencies must be regenerated.
std::ifstream fin(file);
if(!(fin && this->CheckDependencies(fin)))
{
// Clear all dependencies so they will be regenerated.
this->Clear(file);
}
// Restore working directory.
if(oldcwd != ".")
{
cmSystemTools::ChangeDirectory(oldcwd.c_str());
}
}
//----------------------------------------------------------------------------
void cmDepends::Clear(const char *file)
{
// Print verbose output.
if(m_Verbose)
{
cmOStringStream msg;
msg << "Clearing dependencies in \"" << file << "\"." << std::endl;
cmSystemTools::Stdout(msg.str().c_str());
}
// Remove the dependency mark file to be sure dependencies will be
// regenerated.
std::string markFile = file;
markFile += ".mark";
cmSystemTools::RemoveFile(markFile.c_str());
// Write an empty dependency file.
cmGeneratedFileStream depFileStream(file);
depFileStream
<< "# Empty dependencies file\n"
<< "# This may be replaced when dependencies are built." << std::endl;
}
|
