From 1f8f13cbe7a3a015ae62ff1524b22422adc9e094 Mon Sep 17 00:00:00 2001
From: Alexey Edelev <alexey.edelev@qt.io>
Date: Mon, 1 Feb 2021 19:35:41 +0100
Subject: [PATCH] Add the 'FEATURE_qmake' feature

Add a conditional build of the qmake.

Task-number: QTBUG-89369
Change-Id: I8d7968ffb20ea31df2f85fff055e0d131ed06a36
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
---
 qmake/CMakeLists.txt  | 19 +++++--------------
 qmake/configure.cmake | 12 ++++++++++++
 qt_cmdline.cmake      |  1 +
 3 files changed, 18 insertions(+), 14 deletions(-)
 create mode 100644 qmake/configure.cmake

diff --git a/qmake/CMakeLists.txt b/qmake/CMakeLists.txt
index 9cf6a3a4b50..2a46a6f3c83 100644
--- a/qmake/CMakeLists.txt
+++ b/qmake/CMakeLists.txt
@@ -4,20 +4,11 @@
 ## qmake Tool:
 #####################################################################
 
-# TODO: Probably it's time to introduce QT_FEATURE_qmake?
-if(NOT (QT_FEATURE_settings AND QT_FEATURE_alloca AND (QT_FEATURE_alloca_malloc_h OR NOT WIN32) AND
-        QT_FEATURE_cborstreamwriter AND QT_FEATURE_datestring AND QT_FEATURE_regularexpression AND
-        QT_FEATURE_temporaryfile))
-    message(WARNING "Skip building qmake in specified configuration.\
-Required features:
-   QT_FEATURE_settings ${QT_FEATURE_settings}
-   QT_FEATURE_alloca ${QT_FEATURE_alloca}
-   QT_FEATURE_cborstreamwriter ${QT_FEATURE_cborstreamwriter}
-   QT_FEATURE_datestring ${QT_FEATURE_datestring}
-   QT_FEATURE_getauxval ${QT_FEATURE_getauxval}
-   QT_FEATURE_regularexpression ${QT_FEATURE_regularexpression}
-   QT_FEATURE_temporaryfile ${QT_FEATURE_temporaryfile}
-")
+# qmake is out of any module, so we manually evaluate the required features.
+include("${CMAKE_CURRENT_SOURCE_DIR}/configure.cmake")
+qt_feature_evaluate_features("${CMAKE_CURRENT_SOURCE_DIR}/configure.cmake")
+
+if(NOT QT_FEATURE_qmake)
     return()
 endif()
 
diff --git a/qmake/configure.cmake b/qmake/configure.cmake
new file mode 100644
index 00000000000..f1b839dcef2
--- /dev/null
+++ b/qmake/configure.cmake
@@ -0,0 +1,12 @@
+qt_feature("qmake" PRIVATE
+    SECTION "Core tools"
+    LABEL "qmake tool"
+    PURPOSE "The qmake tool helps simplify the build process for development projects across different platforms"
+    CONDITION QT_FEATURE_settings AND QT_FEATURE_alloca AND
+        (QT_FEATURE_alloca_malloc_h OR NOT WIN32) AND QT_FEATURE_cborstreamwriter AND
+        QT_FEATURE_datestring AND QT_FEATURE_regularexpression AND QT_FEATURE_temporaryfile
+)
+
+qt_configure_add_summary_section(NAME "Core tools")
+qt_configure_add_summary_entry(ARGS "qmake")
+qt_configure_end_summary_section()
diff --git a/qt_cmdline.cmake b/qt_cmdline.cmake
index 10cc67d7ec0..a476d05c35e 100644
--- a/qt_cmdline.cmake
+++ b/qt_cmdline.cmake
@@ -7,6 +7,7 @@ qt_commandline_subconfig(src/widgets)
 qt_commandline_subconfig(src/printsupport)
 qt_commandline_subconfig(src/plugins/sqldrivers)
 qt_commandline_subconfig(src/testlib)
+qt_commandline_subconfig(qmake) # special case
 qt_commandline_custom(qmakeArgs)
 qt_commandline_option(prefix TYPE string)
 qt_commandline_option(hostprefix TYPE optionalString)