extra/qt5-base: disabled all LTO stuff on i486

2 files changed, 35 insertions, 0 deletions

diff --git a/extra/qt5-base/PKGBUILD b/extra/qt5-base/PKGBUILD
index 0f8c26cb..1a79f2de 100644
--- a/extra/qt5-base/PKGBUILD
+++ b/extra/qt5-base/PKGBUILD
@@ -28,3 +28,15 @@ if [ "$CARCH" = 'i486' ]; then
       '
   )"  
 fi
+# -no-ltcg is partially ignored, patching it directly in the mkspecs
+source+=('qtbase-no-ltcg-broken.patch')
+sha256sums+=('024549dbb8cc76921c16070b4cf1253e88fd33f78d6756e2ee398c405b8d1979')
+if [ "$CARCH" = 'i486' ]; then
+  eval "$(
+    declare -f prepare | \
+      sed '
+        $ i \
+          patch -p1 < ../qtbase-no-ltcg-broken.patch
+      '
+  )"
+fi
diff --git a/extra/qt5-base/qtbase-no-ltcg-broken.patch b/extra/qt5-base/qtbase-no-ltcg-broken.patch
new file mode 100644
index 00000000..231b0103
--- /dev/null
+++ b/extra/qt5-base/qtbase-no-ltcg-broken.patch
@@ -0,0 +1,23 @@
+diff -rauN qtbase-5.15.2/mkspecs/common/gcc-base.conf qtbase-5.15.2--no-ltcg-broken-patch/mkspecs/common/gcc-base.conf
+--- qtbase-5.15.2/mkspecs/common/gcc-base.conf	2022-02-25 09:58:02.608162266 +0100
++++ qtbase-5.15.2--no-ltcg-broken-patch/mkspecs/common/gcc-base.conf	2022-02-25 10:06:31.605250485 +0100
+@@ -54,8 +54,8 @@
+ QMAKE_CFLAGS_HIDESYMS      += -fvisibility=hidden
+ QMAKE_CFLAGS_EXCEPTIONS_OFF += -fno-exceptions
+ QMAKE_CFLAGS_SPLIT_SECTIONS += -ffunction-sections -fdata-sections
+-QMAKE_CFLAGS_LTCG           = -flto -fno-fat-lto-objects
+-QMAKE_CFLAGS_LTCG_FATOBJECTS = -ffat-lto-objects
++QMAKE_CFLAGS_LTCG           =
++QMAKE_CFLAGS_LTCG_FATOBJECTS =
+ QMAKE_CFLAGS_DISABLE_LTCG   = -fno-lto
+ QMAKE_CFLAGS_SHSTK          = -mshstk
+ 
+@@ -88,7 +88,7 @@
+ QMAKE_LFLAGS_RELEASE   +=
+ QMAKE_LFLAGS_RELEASE_WITH_DEBUGINFO +=
+ QMAKE_LFLAGS_EXCEPTIONS_OFF +=
+-QMAKE_LFLAGS_LTCG       = $$QMAKE_CFLAGS_LTCG -fuse-linker-plugin
++QMAKE_LFLAGS_LTCG       = $$QMAKE_CFLAGS_LTCG
+ 
+ QMAKE_CFLAGS_C99       = -std=c99
+ QMAKE_CFLAGS_C11       = -std=c11