[neon/qt6/qt6-serialport/Neon/unstable] debian: need gcc 12.1 for mold to be able to process --gdb-index

[Carlos De Maine]

Git commit 8ad5ca8089d8c579e1a62ed9420976ec9de1c1dd by Carlos De Maine.
Committed on 28/10/2023 at 15:53.
Pushed by carlosdem into branch 'Neon/unstable'.

need gcc 12.1 for mold to be able to process --gdb-index

M  +3    -0    debian/control
M  +7    -1    debian/rules

https://invent.kde.org/neon/qt6/qt6-serialport/-/commit/8ad5ca8089d8c579e1a62ed9420976ec9de1c1dd

diff --git a/debian/control b/debian/control
index 85ac6ae..394c5da 100644
--- a/debian/control
+++ b/debian/control
@@ -5,9 +5,12 @@ Maintainer: Debian Qt/KDE Maintainers <debian-qt-kde at lists.debian.org>
 Uploaders: Patrick Franz <deltaone at debian.org>, Lu YaNing <dluyaning at gmail.com>
 Build-Depends: cmake,
                debhelper-compat (= 13),
+               g++-12,
+               gcc-12,
                libgl-dev,
                libudev-dev,
                libxkbcommon-dev,
+               mold,
                ninja-build,
                pkg-config,
                pkg-kde-tools,
diff --git a/debian/rules b/debian/rules
index fe38dda..8744b48 100755
--- a/debian/rules
+++ b/debian/rules
@@ -4,6 +4,10 @@ include /usr/share/dpkg/architecture.mk
 
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all optimize=+lto
 
+# need gcc 12.1 for mold to be able to process --gdb-index
+export CC=gcc-12
+export CXX=g++-12
+
 # cross-builds
 ifneq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
 	extra_cmake_args += -DQT_HOST_PATH=/usr
@@ -14,8 +18,10 @@ endif
 
 override_dh_auto_configure:
 	dh_auto_configure -- \
-		--log-level=STATUS \
+		-DCMAKE_MESSAGE_LOG_LEVEL=STATUS \
 		-DCMAKE_LIBRARY_PATH=$(DEB_HOST_MULTIARCH) \
+		-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON \
+		-DQT_UNITY_BUILD=ON \
 		$(extra_cmake_args)
 
 override_dh_auto_build-indep: