blob: 165eee0b21143db46a5adc91b17fed62bfaaccf2 (
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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*=========================================================================
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()
{
}
void cmDepends::SetTargetFile(const char* dir, const char* targetFile,
const char *markExt, const char *makeExt)
{
m_Directory = dir;
m_TargetFile = targetFile;
// Construct the path to the make and mark files. Append
// appropriate extensions to their names.
m_DependsMarkFile = dir;
m_DependsMakeFile = dir;
m_DependsMakeFile += "/";
m_DependsMarkFile += "/";
m_DependsMakeFile += m_TargetFile;
m_DependsMarkFile += m_TargetFile;
m_DependsMakeFile += makeExt;
m_DependsMarkFile += markExt;
if (!m_CompileDirectory.size())
{
m_CompileDirectory = dir;
}
}
//----------------------------------------------------------------------------
bool cmDepends::Write()
{
// Dependency generation must always be done in the current working
// directory.
assert(m_Directory == ".");
// Try to generate dependencies for the target file.
cmGeneratedFileStream fout(m_DependsMakeFile.c_str());
fout << "# Dependencies for " << m_TargetFile.c_str() << std::endl;
if(this->WriteDependencies(fout) && fout)
{
// Dependencies were generated. Touch the mark file.
std::ofstream fmark(m_DependsMarkFile.c_str());
fmark << "Dependencies updated for " << m_TargetFile.c_str() << std::endl;
return true;
}
else
{
return false;
}
}
//----------------------------------------------------------------------------
void cmDepends::Check()
{
// 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(m_DependsMakeFile.c_str());
if(!(fin && this->CheckDependencies(fin)))
{
// Clear all dependencies so they will be regenerated.
this->Clear();
}
// Restore working directory.
if(oldcwd != ".")
{
cmSystemTools::ChangeDirectory(oldcwd.c_str());
}
}
//----------------------------------------------------------------------------
void cmDepends::Clear()
{
// Print verbose output.
if(m_Verbose)
{
cmOStringStream msg;
msg << "Clearing dependencies for \"" << m_TargetFile << "\"." << std::endl;
cmSystemTools::Stdout(msg.str().c_str());
}
// Remove the dependency mark file to be sure dependencies will be
// regenerated.
cmSystemTools::RemoveFile(m_DependsMarkFile.c_str());
// Write an empty dependency file.
cmGeneratedFileStream depFileStream(m_DependsMakeFile.c_str());
depFileStream
<< "# Empty dependencies file for " << m_TargetFile.c_str() << ".\n"
<< "# This may be replaced when dependencies are built." << std::endl;
}
//----------------------------------------------------------------------------
const char* cmDepends::GetMakeFileName()
{
// Skip over the directory part of the name.
return m_DependsMakeFile.c_str() + m_Directory.length() + 1;
}
//----------------------------------------------------------------------------
const char* cmDepends::GetMarkFileName()
{
// Skip over the directory part of the name.
return m_DependsMarkFile.c_str() + m_Directory.length() + 1;
}
|
