Add parentheses around '&&' between '||' for gcc

The GNU compiler warns about possible operator precedence mistakes and
asks for explicit parentheses (-Wparentheses).  We add the parentheses
to silence the warning.  This also fixes one real logic error in the
find_package() implementation by correcting expression evaluation order.

Source/CPack/cpack.cxx

@@ -359,10 +359,11 @@ int main (int argc, char *argv[])
             "CPack project name not specified" << std::endl);
           parsed = 0;
           }
-        if ( parsed && !(mf->GetDefinition("CPACK_PACKAGE_VERSION")
-            || mf->GetDefinition("CPACK_PACKAGE_VERSION_MAJOR") &&
-            mf->GetDefinition("CPACK_PACKAGE_VERSION_MINOR")
-            && mf->GetDefinition("CPACK_PACKAGE_VERSION_PATCH")) )
+        if (parsed &&
+            !(mf->GetDefinition("CPACK_PACKAGE_VERSION") ||
+              (mf->GetDefinition("CPACK_PACKAGE_VERSION_MAJOR") &&
+               mf->GetDefinition("CPACK_PACKAGE_VERSION_MINOR") &&
+               mf->GetDefinition("CPACK_PACKAGE_VERSION_PATCH"))))
           {
           cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
             "CPack project version not specified" << std::endl

Source/CTest/cmCTestBuildHandler.cxx

@@ -611,8 +611,8 @@ void cmCTestBuildHandler::GenerateXMLLogScraped(std::ostream& os)
         it != ew.end() && (numErrorsAllowed || numWarningsAllowed); it++ )
     {
     cmCTestBuildErrorWarning *cm = &(*it);
-    if (cm->Error && numErrorsAllowed ||
-        !cm->Error && numWarningsAllowed)
+    if ((cm->Error && numErrorsAllowed) ||
+        (!cm->Error && numWarningsAllowed))
       {
       if (cm->Error)
         {
@@ -681,8 +681,8 @@ void cmCTestBuildHandler::GenerateXMLLogScraped(std::ostream& os)
          << "</PreContext>\n"
          << "\t\t<PostContext>" << cmXMLSafe(cm->PostContext).Quotes(false);
       // is this the last warning or error, if so notify
-      if (cm->Error && !numErrorsAllowed ||
-          !cm->Error && !numWarningsAllowed)
+      if ((cm->Error && !numErrorsAllowed) ||
+          (!cm->Error && !numWarningsAllowed))
         {
         os << "\nThe maximum number of reported warnings or errors has been "
           "reached!!!\n";

Source/CursesDialog/cmCursesMainForm.cxx

@@ -231,7 +231,8 @@ void cmCursesMainForm::RePost()
       {
       cmCacheManager::CacheIterator mit = 
         this->CMakeInstance->GetCacheManager()->GetCacheIterator((*it)->GetValue());
-      if (mit.IsAtEnd() || !this->AdvancedMode && mit.GetPropertyAsBool("ADVANCED"))
+      if (mit.IsAtEnd() ||
+          (!this->AdvancedMode && mit.GetPropertyAsBool("ADVANCED")))
         {
         continue;
         }
@@ -259,7 +260,8 @@ void cmCursesMainForm::RePost()
     {
     cmCacheManager::CacheIterator mit = 
       this->CMakeInstance->GetCacheManager()->GetCacheIterator((*it)->GetValue());
-    if (mit.IsAtEnd() || !this->AdvancedMode && mit.GetPropertyAsBool("ADVANCED"))
+    if (mit.IsAtEnd() ||
+        (!this->AdvancedMode && mit.GetPropertyAsBool("ADVANCED")))
       {
       continue;
       }
@@ -327,7 +329,8 @@ void cmCursesMainForm::Render(int left, int top, int width, int height)
       {
       cmCacheManager::CacheIterator mit = 
         this->CMakeInstance->GetCacheManager()->GetCacheIterator((*it)->GetValue());
-      if (mit.IsAtEnd() || !this->AdvancedMode && mit.GetPropertyAsBool("ADVANCED"))
+      if (mit.IsAtEnd() ||
+          (!this->AdvancedMode && mit.GetPropertyAsBool("ADVANCED")))
         {
         continue;
         }
@@ -344,7 +347,8 @@ void cmCursesMainForm::Render(int left, int top, int width, int height)
     {
     cmCacheManager::CacheIterator mit = 
       this->CMakeInstance->GetCacheManager()->GetCacheIterator((*it)->GetValue());
-    if (mit.IsAtEnd() || !this->AdvancedMode && mit.GetPropertyAsBool("ADVANCED"))
+    if (mit.IsAtEnd() ||
+        (!this->AdvancedMode && mit.GetPropertyAsBool("ADVANCED")))
       {
       continue;
       }
@@ -914,10 +918,10 @@ void cmCursesMainForm::HandleInput()
         this->SearchMode = false;
         }
       */
-      else if ( key >= 'a' && key <= 'z' || 
-                key >= 'A' && key <= 'Z' ||
-                key >= '0' && key <= '9' ||
-                key == '_' )
+      else if ((key >= 'a' && key <= 'z') ||
+               (key >= 'A' && key <= 'Z') ||
+               (key >= '0' && key <= '9') ||
+               (key == '_' ))
         {
         if ( this->SearchString.size() < static_cast<std::string::size_type>(x-10) )
           {

Source/cmCMakeMinimumRequired.cxx

@@ -87,12 +87,12 @@ bool cmCMakeMinimumRequired
     }
 
   // Compare the version numbers.
-  if(current_major < required_major ||
-     current_major == required_major &&
-     current_minor < required_minor ||
-     current_major == required_major &&
-     current_minor == required_minor &&
-     current_patch < required_patch)
+  if((current_major < required_major) ||
+     (current_major == required_major &&
+      current_minor < required_minor) ||
+     (current_major == required_major &&
+      current_minor == required_minor &&
+      current_patch < required_patch))
     {
     // The current version is too low.
     cmOStringStream e;
@@ -110,7 +110,7 @@ bool cmCMakeMinimumRequired
     return false;
     }
 
-  if (required_major < 2 || required_major == 2 && required_minor < 4)
+  if (required_major < 2 || (required_major == 2 && required_minor < 4))
   {
     this->Makefile->SetPolicyVersion("2.4");
   }

Source/cmExecuteProcessCommand.cxx

@@ -298,8 +298,8 @@ bool cmExecuteProcessCommand
   while((p = cmsysProcess_WaitForData(cp, &data, &length, 0), p))
     {
     // Put the output in the right place.
-    if(p == cmsysProcess_Pipe_STDOUT && !output_quiet ||
-       p == cmsysProcess_Pipe_STDERR && !error_quiet && merge_output)
+    if((p == cmsysProcess_Pipe_STDOUT && !output_quiet) ||
+       (p == cmsysProcess_Pipe_STDERR && !error_quiet && merge_output))
       {
       if(output_variable.empty())
         {

Source/cmFileCommand.cxx

@@ -590,7 +590,7 @@ bool cmFileCommand::HandleStringsCommand(std::vector<std::string> const& args)
       {
       // Ignore CR character to make output always have UNIX newlines.
       }
-    else if(c >= 0x20 && c < 0x7F || c == '\t' || c == '\f' ||
+    else if((c >= 0x20 && c < 0x7F) || c == '\t' || c == '\f' ||
             (c == '\n' && newline_consume))
       {
       // This is an ASCII character that may be part of a string.
@@ -1973,7 +1973,7 @@ bool cmFileInstaller::HandleInstallDestination()
     if ( ch1 != '/' )
       {
       int relative = 0;
-      if ( ( ch1 >= 'a' && ch1 <= 'z' || ch1 >= 'A' && ch1 <= 'Z' ) &&
+      if (((ch1 >= 'a' && ch1 <= 'z') || (ch1 >= 'A' && ch1 <= 'Z')) &&
              ch2 == ':' )
         {
         // Assume windows

Source/cmFindPackageCommand.cxx

@@ -900,13 +900,13 @@ void cmFindPackageCommand::FindConfig()
   bool found = false;
 
   // Search for frameworks.
-  if(!found && this->SearchFrameworkFirst || this->SearchFrameworkOnly)
+  if(!found && (this->SearchFrameworkFirst || this->SearchFrameworkOnly))
     {
     found = this->FindFrameworkConfig();
     }
 
   // Search for apps.
-  if(!found && this->SearchAppBundleFirst || this->SearchAppBundleOnly)
+  if(!found && (this->SearchAppBundleFirst || this->SearchAppBundleOnly))
     {
     found = this->FindAppBundleConfig();
     }
@@ -1136,8 +1136,8 @@ void cmFindPackageCommand::AddPrefixesSystemEnvironment()
       std::string const& d = *i;
 
       // If the path is a PREFIX/bin case then add its parent instead.
-      if(d.size() >= 4 && strcmp(d.c_str()+d.size()-4, "/bin") == 0 ||
-         d.size() >= 5 && strcmp(d.c_str()+d.size()-5, "/sbin") == 0)
+      if((d.size() >= 4 && strcmp(d.c_str()+d.size()-4, "/bin") == 0) ||
+         (d.size() >= 5 && strcmp(d.c_str()+d.size()-5, "/sbin") == 0))
         {
         this->AddPathInternal(cmSystemTools::GetFilenamePath(d), EnvPath);
         }

Source/cmPolicies.cxx

@@ -497,7 +497,7 @@ bool cmPolicies::ApplyPolicyVersion(cmMakefile *mf,
     }
   
   // it is an error if the policy version is less than 2.4
-  if (majorVer < 2 || majorVer == 2 && minorVer < 4)
+  if (majorVer < 2 || (majorVer == 2 && minorVer < 4))
     {
     mf->IssueMessage(cmake::FATAL_ERROR,
       "An attempt was made to set the policy version of CMake to something "

Source/cmSetCommand.cxx

@@ -134,9 +134,9 @@ bool cmSetCommand
   // we should be nice and try to catch some simple screwups if the last or
   // next to last args are CACHE then they screwed up.  If they used FORCE
   // without CACHE they screwed up
-  if (args[args.size() - 1] == "CACHE" ||
-      args.size() > 1 && args[args.size() - 2] == "CACHE" ||
-      force && !cache)
+  if ((args[args.size() - 1] == "CACHE") ||
+      (args.size() > 1 && args[args.size() - 2] == "CACHE") ||
+      (force && !cache))
     {
     this->SetError("given invalid arguments for CACHE mode.");
     return false;

Source/cmSystemTools.cxx

@@ -510,12 +510,12 @@ std::vector<cmStdString> cmSystemTools::ParseArguments(const char* command)
 
   bool win_path = false;
 
-  if ( command[0] != '/' && command[1] == ':' && command[2] == '\\' ||
-       command[0] == '\"' && command[1] != '/' && command[2] == ':' 
-       && command[3] == '\\' || 
-       command[0] == '\'' && command[1] != '/' && command[2] == ':' 
-       && command[3] == '\\' || 
-       command[0] == '\\' && command[1] == '\\')
+  if ((command[0] != '/' && command[1] == ':' && command[2] == '\\') ||
+      (command[0] == '\"' && command[1] != '/' && command[2] == ':'
+       && command[3] == '\\') ||
+      (command[0] == '\'' && command[1] != '/' && command[2] == ':'
+       && command[3] == '\\') ||
+      (command[0] == '\\' && command[1] == '\\'))
     {
     win_path = true;
     }

Source/cmUtilitySourceCommand.cxx

@@ -56,7 +56,7 @@ bool cmUtilitySourceCommand
     {
     haveCacheValue = (cacheValue &&
      (strstr(cacheValue, "(IntDir)") == 0 ||
-      intDir && strcmp(intDir, "$(IntDir)") == 0) &&
+      (intDir && strcmp(intDir, "$(IntDir)") == 0)) &&
      (this->Makefile->GetCacheMajorVersion() != 0 &&
       this->Makefile->GetCacheMinorVersion() != 0 ));
     }