https://gitlab.com/accounts-sso/libaccounts-qt/-/merge_requests/21

From 18557f7def9af8f4a9e0e93e9f575ae11e5066aa Mon Sep 17 00:00:00 2001
From: Nicolas Fella <nicolas.fella@gmx.de>
Date: Fri, 7 Apr 2023 15:49:22 +0200
Subject: [PATCH 5/5] Adjust buildsystem to include correct Qt Major version
 number

---
 Accounts/Accounts.pro                      |  4 ++--
 Accounts/AccountsQt5Config.cmake.in        |  2 +-
 Accounts/AccountsQt6Config.cmake.in        |  5 +++++
 Accounts/AccountsQt6ConfigVersion.cmake.in | 10 ++++++++++
 Accounts/accounts-qt6.pc.in                | 15 +++++++++++++++
 tests/tst_libaccounts.pro                  |  2 +-
 6 files changed, 34 insertions(+), 4 deletions(-)
 create mode 100644 Accounts/AccountsQt6Config.cmake.in
 create mode 100644 Accounts/AccountsQt6ConfigVersion.cmake.in
 create mode 100644 Accounts/accounts-qt6.pc.in

diff --git a/Accounts/Accounts.pro b/Accounts/Accounts.pro
index 13804ee..da62da7 100644
--- a/Accounts/Accounts.pro
+++ b/Accounts/Accounts.pro
@@ -3,7 +3,7 @@ include( ../common-project-config.pri )
 include( ../common-vars.pri )
 
 TEMPLATE = lib
-TARGET = accounts-qt5
+TARGET = accounts-qt$${QT_MAJOR_VERSION}
 
 # Input
 public_headers = \
@@ -45,7 +45,7 @@ QT -= gui
 
 INCLUDEPATH += $${TOP_SRC_DIR}
 
-CMAKE_BASENAME = AccountsQt5
+CMAKE_BASENAME = AccountsQt$${QT_MAJOR_VERSION}
 
 PKGCONFIG += \
 	glib-2.0 \
diff --git a/Accounts/AccountsQt5Config.cmake.in b/Accounts/AccountsQt5Config.cmake.in
index 55a8964..746f689 100644
--- a/Accounts/AccountsQt5Config.cmake.in
+++ b/Accounts/AccountsQt5Config.cmake.in
@@ -2,4 +2,4 @@
 #  ACCOUNTSQT_LIBRARIES - The libraries needed to use libaccounts-qt
 
 set(ACCOUNTSQT_LIBRARIES $${INSTALL_LIBDIR}/lib$${TARGET}.so)
-set(ACCOUNTSQT_INCLUDE_DIRS $${INSTALL_PREFIX}/include/$${TARGET}/)
\ No newline at end of file
+set(ACCOUNTSQT_INCLUDE_DIRS $${INSTALL_PREFIX}/include/$${TARGET}/)
diff --git a/Accounts/AccountsQt6Config.cmake.in b/Accounts/AccountsQt6Config.cmake.in
new file mode 100644
index 0000000..55a8964
--- /dev/null
+++ b/Accounts/AccountsQt6Config.cmake.in
@@ -0,0 +1,5 @@
+#  ACCOUNTSQT_INCLUDE_DIRS - The libaccounts-qt include directories
+#  ACCOUNTSQT_LIBRARIES - The libraries needed to use libaccounts-qt
+
+set(ACCOUNTSQT_LIBRARIES $${INSTALL_LIBDIR}/lib$${TARGET}.so)
+set(ACCOUNTSQT_INCLUDE_DIRS $${INSTALL_PREFIX}/include/$${TARGET}/)
\ No newline at end of file
diff --git a/Accounts/AccountsQt6ConfigVersion.cmake.in b/Accounts/AccountsQt6ConfigVersion.cmake.in
new file mode 100644
index 0000000..616cd60
--- /dev/null
+++ b/Accounts/AccountsQt6ConfigVersion.cmake.in
@@ -0,0 +1,10 @@
+set(PACKAGE_VERSION $${PROJECT_VERSION})
+
+if(\"${PACKAGE_VERSION}\" VERSION_LESS \"${PACKAGE_FIND_VERSION}\" )
+   set(PACKAGE_VERSION_COMPATIBLE FALSE)
+else(\"${PACKAGE_VERSION}\" VERSION_LESS \"${PACKAGE_FIND_VERSION}\" )
+   set(PACKAGE_VERSION_COMPATIBLE TRUE)
+   if( \"${PACKAGE_FIND_VERSION}\" STREQUAL \"${PACKAGE_VERSION}\")
+      set(PACKAGE_VERSION_EXACT TRUE)
+   endif( \"${PACKAGE_FIND_VERSION}\" STREQUAL \"${PACKAGE_VERSION}\")
+endif(\"${PACKAGE_VERSION}\" VERSION_LESS \"${PACKAGE_FIND_VERSION}\" )
diff --git a/Accounts/accounts-qt6.pc.in b/Accounts/accounts-qt6.pc.in
new file mode 100644
index 0000000..c625b2e
--- /dev/null
+++ b/Accounts/accounts-qt6.pc.in
@@ -0,0 +1,15 @@
+prefix=$$INSTALL_PREFIX
+exec_prefix=${prefix}
+libdir=$$INSTALL_LIBDIR
+includedir=${prefix}/include/accounts-qt6
+servicefilesdir=${prefix}/share/accounts/services
+servicetypefilesdir=${prefix}/share/accounts/service-types
+providerfilesdir=${prefix}/share/accounts/providers
+
+Name: libaccounts-qt6
+Description: Accounts Library
+Version: $$PROJECT_VERSION
+Libs: -L${libdir} -laccounts-qt6
+Requires: Qt6Core Qt6Xml
+Cflags:  -I${includedir}
+
diff --git a/tests/tst_libaccounts.pro b/tests/tst_libaccounts.pro
index a5b91fe..9992c0b 100644
--- a/tests/tst_libaccounts.pro
+++ b/tests/tst_libaccounts.pro
@@ -9,7 +9,7 @@ QT = \
     testlib \
     xml
 
-LIBS += -laccounts-qt5
+LIBS += -laccounts-qt$${QT_MAJOR_VERSION}
 
 INCLUDEPATH += $${TOP_SRC_DIR}
 QMAKE_LIBDIR += \
-- 
2.43.0