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find_package: Check both 32-bit and 64-bit registry views 

The system package registry is under HKEY_LOCAL_MACHINE\SOFTWARE which
has separate views for 32-bit and 64-bit applications.  Look in both
views, but prefer the architecture matching the build target platform.
This commit is contained in:
Brad King 2011-04-13 13:17:42 -04:00
parent a0d76c10a7
commit b95f3cac91
2 changed files with 40 additions and 6 deletions
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42
Source/cmFindPackageCommand.cxx
View File

@ -1282,7 +1282,7 @@ void cmFindPackageCommand::AddPrefixesUserRegistry()
}
#if defined(_WIN32) && !defined(__CYGWIN__)
this->LoadPackageRegistryWin(true);
this->LoadPackageRegistryWinUser();
#elif defined(__HAIKU__)
BPath dir;
if (find_directory(B_USER_SETTINGS_DIRECTORY, &dir) == B_OK)
@ -1311,22 +1311,54 @@ void cmFindPackageCommand::AddPrefixesSystemRegistry()
}
#if defined(_WIN32) && !defined(__CYGWIN__)
this->LoadPackageRegistryWin(false);
this->LoadPackageRegistryWinSystem();
#endif
}
#if defined(_WIN32) && !defined(__CYGWIN__)
# include <windows.h>
# undef GetCurrentDirectory
// http://msdn.microsoft.com/en-us/library/aa384253%28v=vs.85%29.aspx
# if !defined(KEY_WOW64_32KEY)
# define KEY_WOW64_32KEY 0x0200
# endif
# if !defined(KEY_WOW64_64KEY)
# define KEY_WOW64_64KEY 0x0100
# endif
//----------------------------------------------------------------------------
void cmFindPackageCommand::LoadPackageRegistryWin(bool user)
void cmFindPackageCommand::LoadPackageRegistryWinUser()
{
// HKEY_CURRENT_USER\\Software shares 32-bit and 64-bit views.
this->LoadPackageRegistryWin(true, 0);
}
//----------------------------------------------------------------------------
void cmFindPackageCommand::LoadPackageRegistryWinSystem()
{
// HKEY_LOCAL_MACHINE\\SOFTWARE has separate 32-bit and 64-bit views.
// Prefer the target platform view first.
if(this->Makefile->PlatformIs64Bit())
{
this->LoadPackageRegistryWin(false, KEY_WOW64_64KEY);
this->LoadPackageRegistryWin(false, KEY_WOW64_32KEY);
}
else
{
this->LoadPackageRegistryWin(false, KEY_WOW64_32KEY);
this->LoadPackageRegistryWin(false, KEY_WOW64_64KEY);
}
}
//----------------------------------------------------------------------------
void cmFindPackageCommand::LoadPackageRegistryWin(bool user,
unsigned int view)
{
std::string key = "Software\\Kitware\\CMake\\Packages\\";
key += this->Name;
std::set<cmStdString> bad;
HKEY hKey;
if(RegOpenKeyEx(user? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE, key.c_str(),
0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
0, KEY_QUERY_VALUE|view, &hKey) == ERROR_SUCCESS)
{
DWORD valueType = REG_NONE;
char name[16384];
@ -1365,7 +1397,7 @@ void cmFindPackageCommand::LoadPackageRegistryWin(bool user)
// Remove bad values if possible.
if(user && !bad.empty() &&
RegOpenKeyEx(HKEY_CURRENT_USER, key.c_str(),
0, KEY_SET_VALUE, &hKey) == ERROR_SUCCESS)
0, KEY_SET_VALUE|view, &hKey) == ERROR_SUCCESS)
{
for(std::set<cmStdString>::const_iterator vi = bad.begin();
vi != bad.end(); ++vi)

4
Source/cmFindPackageCommand.h
View File

@ -95,7 +95,9 @@ private:
void AddPrefixesUserHints();
void ComputeFinalPrefixes();
void LoadPackageRegistryDir(std::string const& dir);
void LoadPackageRegistryWin(bool user);
void LoadPackageRegistryWinUser();
void LoadPackageRegistryWinSystem();
void LoadPackageRegistryWin(bool user, unsigned int view);
bool CheckPackageRegistryEntry(std::istream& is);
bool SearchDirectory(std::string const& dir);
bool CheckDirectory(std::string const& dir);