From c651e7ba18e094a0cb7bd46ea5ec6cad49ca3220 Mon Sep 17 00:00:00 2001
From: Joerg Bornemann <joerg.bornemann@qt.io>
Date: Fri, 5 Mar 2021 16:33:24 +0100
Subject: Do not write Sysroot and SysrootifyPrefix into qmakeconfig.cpp

Those have fixed values.

Change-Id: I7f1ba8036f43413d3c805f4b419ae79e037343fb
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
---
 qmake/qmakelibraryinfo.cpp | 65 +++++++++++++++++++++++++++++-----------------
 1 file changed, 41 insertions(+), 24 deletions(-)

(limited to 'qmake/qmakelibraryinfo.cpp')

diff --git a/qmake/qmakelibraryinfo.cpp b/qmake/qmakelibraryinfo.cpp
index b1d625b906..937f0811dd 100644
--- a/qmake/qmakelibraryinfo.cpp
+++ b/qmake/qmakelibraryinfo.cpp
@@ -143,7 +143,7 @@ QString QMakeLibraryInfo::path(int loc)
     QString ret = rawLocation(loc, QMakeLibraryInfo::FinalPaths);
 
     // Automatically prepend the sysroot to target paths
-    if (loc < QMakeLibraryInfo::SysrootPath || loc > QMakeLibraryInfo::LastHostPath)
+    if (loc < QMakeLibraryInfo::FirstHostPath || loc > QMakeLibraryInfo::LastHostPath)
         sysrootify(ret);
 
     return ret;
@@ -158,7 +158,12 @@ struct LocationInfo
 static LocationInfo defaultLocationInfo(int loc)
 {
     LocationInfo result;
-    if (unsigned(loc) < sizeof(qtConfEntries) / sizeof(qtConfEntries[0])) {
+
+    if (loc == QMakeLibraryInfo::SysrootPath) {
+        result.key = QStringLiteral("Sysroot");
+    } else if (loc == QMakeLibraryInfo::SysrootifyPrefixPath) {
+        result.key = QStringLiteral("SysrootifyPrefix");
+    } else if (unsigned(loc) < sizeof(qtConfEntries) / sizeof(qtConfEntries[0])) {
         result.key = QLatin1String(qtConfEntries[loc].key);
         result.defaultValue = QLatin1String(qtConfEntries[loc].value);
     }
@@ -171,6 +176,37 @@ static LocationInfo defaultLocationInfo(int loc)
     return result;
 }
 
+static QString storedPath(int loc)
+{
+    QString result;
+
+    // "volatile" here is a hack to prevent compilers from doing a
+    // compile-time strlen() on "path". The issue is that Qt installers
+    // will binary-patch the Qt installation paths -- in such scenarios, Qt
+    // will be built with a dummy path, thus the compile-time result of
+    // strlen is meaningless.
+    const char *volatile path = nullptr;
+    if (loc == QLibraryInfo::PrefixPath || loc == QMakeLibraryInfo::HostPrefixPath) {
+        result = QLibraryInfo::path(QLibraryInfo::PrefixPath);
+    } else if (loc == QMakeLibraryInfo::SysrootPath) {
+        // empty result
+    } else if (loc == QMakeLibraryInfo::SysrootifyPrefixPath) {
+        result = QStringLiteral("false");
+    } else if (unsigned(loc)
+               <= sizeof(qt_configure_str_offsets) / sizeof(qt_configure_str_offsets[0])) {
+        path = qt_configure_strs + qt_configure_str_offsets[loc - 1];
+#ifndef Q_OS_WIN // On Windows we use the registry
+    } else if (loc == QLibraryInfo::SettingsPath) {
+        path = QT_CONFIGURE_SETTINGS_PATH;
+#endif
+    }
+
+    if (path)
+        result = QString::fromLocal8Bit(path);
+
+    return result;
+}
+
 QString QMakeLibraryInfo::rawLocation(int loc, QMakeLibraryInfo::PathGroup group)
 {
     QString ret;
@@ -241,27 +277,8 @@ QString QMakeLibraryInfo::rawLocation(int loc, QMakeLibraryInfo::PathGroup group
         }
     }
 
-    if (!fromConf) {
-        // "volatile" here is a hack to prevent compilers from doing a
-        // compile-time strlen() on "path". The issue is that Qt installers
-        // will binary-patch the Qt installation paths -- in such scenarios, Qt
-        // will be built with a dummy path, thus the compile-time result of
-        // strlen is meaningless.
-        const char *volatile path = nullptr;
-        if (loc == QLibraryInfo::PrefixPath || loc == HostPrefixPath) {
-            ret = QLibraryInfo::path(QLibraryInfo::PrefixPath);
-        } else if (unsigned(loc)
-                   <= sizeof(qt_configure_str_offsets) / sizeof(qt_configure_str_offsets[0])) {
-            path = qt_configure_strs + qt_configure_str_offsets[loc - 1];
-#ifndef Q_OS_WIN // On Windows we use the registry
-        } else if (loc == QLibraryInfo::SettingsPath) {
-            path = QT_CONFIGURE_SETTINGS_PATH;
-#endif
-        }
-
-        if (path)
-            ret = QString::fromLocal8Bit(path);
-    }
+    if (!fromConf)
+        ret = storedPath(loc);
 
     // These values aren't actually paths and thus need to be returned verbatim.
     if (loc == TargetSpecPath || loc == HostSpecPath || loc == SysrootifyPrefixPath)
@@ -274,7 +291,7 @@ QString QMakeLibraryInfo::rawLocation(int loc, QMakeLibraryInfo::PathGroup group
             // loc == PrefixPath while a sysroot is set would make no sense here.
             // loc == SysrootPath only makes sense if qmake lives inside the sysroot itself.
             baseDir = QFileInfo(libraryInfoFile()).absolutePath();
-        } else if (loc > SysrootPath && loc <= LastHostPath) {
+        } else if (loc >= FirstHostPath && loc <= LastHostPath) {
             // We make any other host path absolute to the host prefix directory.
             baseDir = rawLocation(HostPrefixPath, group);
         } else {
-- 
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