[neon/qt/qtcreator/Neon/release] debian: build using clang on mips archs

[Pino Toscano]

Git commit bb73f011c85b670c8dea8640dbc526a92062fd4d by Pino Toscano.
Committed on 27/11/2022 at 08:35.
Pushed by carlosdem into branch 'Neon/release'.

build using clang on mips archs

workaround a gcc bug:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102602

M  +5    -0    debian/changelog
M  +10   -1    debian/rules

https://invent.kde.org/neon/qt/qtcreator/commit/bb73f011c85b670c8dea8640dbc526a92062fd4d

diff --git a/debian/changelog b/debian/changelog
index 7b92f7c..9f1414a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,11 @@ qtcreator (9.0.0-2) UNRELEASED; urgency=medium
 
   [ Pino Toscano ]
   * Merge changes from 8.0.2-1.
+  * Build using clang on mips64el, and mipsel, to workaround a GCC bug:
+    https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102602
+    - point CC & CXX to clang
+    - restore explicit as-needed linking, as it seems needed when using clang
+    - disable the build with precompiled headers (PCH), as it is not working
 
  -- Debian Qt/KDE Maintainers <debian-qt-kde at lists.debian.org>  Sat, 26 Nov 2022 08:53:12 +0100
 
diff --git a/debian/rules b/debian/rules
index 41e27d4..01a9c8b 100755
--- a/debian/rules
+++ b/debian/rules
@@ -19,6 +19,14 @@ upstream_version_of_pkg = $(shell dpkg-query -f '$${Version}' -W $(1) | sed -e '
 archs_with_dwz_low_mem = armel armhf mipsel
 dwz_low_mem = 3000000
 
+archs_using_clang = mips64el mipsel
+ifeq ($(DEB_HOST_ARCH),$(findstring $(DEB_HOST_ARCH), $(archs_using_clang)))
+export CC=clang
+export CXX=clang++
+export DEB_LDFLAGS_MAINT_APPEND := -Wl,--as-needed
+EXTRA_CMAKE_ARGS += -DBUILD_WITH_PCH=OFF
+endif
+
 %:
 	dh $@ --builddirectory=builddir
 
@@ -29,7 +37,8 @@ override_dh_auto_configure:
 		-DWITH_TESTS=OFF \
 		-DBUILD_TESTING=OFF \
 		-DCLANGTOOLING_LINK_CLANG_DYLIB=ON \
-		-DWITH_DOCS=$(if $(filter qtcreator-doc, $(shell dh_listpackages)),ON,OFF)
+		-DWITH_DOCS=$(if $(filter qtcreator-doc, $(shell dh_listpackages)),ON,OFF) \
+		$(EXTRA_CMAKE_ARGS)
 
 execute_after_dh_auto_build-indep:
 	dh_auto_build -- docs