chore: fat gcc LTO objects so we don't need multiple versions

Author: mhx

.docker/build-linux.sh

@@ -207,7 +207,10 @@ case "-$BUILD_TYPE-" in
     if [[ "$_MARCH" != "loongarch64" ]]; then
       export LDFLAGS="${LDFLAGS} -Wl,--icf=all"
     fi
-    export COMPILER="${COMPILER}-lto"
+    # GCC uses fat LTO objects
+    if [[ "-$BUILD_TYPE-" != *-gcc-* ]]; then
+      export COMPILER="${COMPILER}-lto"
+    fi
     ;;
 esac
 

.docker/install-static-libs.sh

@@ -277,14 +277,14 @@ for target_arch in ${TARGET_ARCH_STR//,/ }; do
     case "$CARCH" in
         # https://github.com/llvm/llvm-project/issues/150913
         ppc64le)
-            COMPILERS="gcc gcc-lto"
+            COMPILERS="gcc"
             ;;
         *)
             if [[ "$ARCH" == "riscv64" ]]; then
                 # This is so slow natively, stick to the basics for now
                 COMPILERS="clang"
             else
-                COMPILERS="clang clang-minsize-lto gcc gcc-minsize-lto gcc-lto"
+                COMPILERS="clang clang-minsize-lto gcc"
             fi
             ;;
     esac
@@ -341,6 +341,12 @@ for target_arch in ${TARGET_ARCH_STR//,/ }; do
                 export PERF_CXXFLAGS="$PERF_CXXFLAGS -flto"
                 export COMP_LDFLAGS="$COMP_LDFLAGS -flto"
                 ;;
+            gcc*)
+                export SIZE_CFLAGS="$SIZE_CFLAGS -flto -ffat-lto-objects"
+                export SIZE_CXXFLAGS="$SIZE_CXXFLAGS -flto -ffat-lto-objects"
+                export PERF_CFLAGS="$PERF_CFLAGS -flto -ffat-lto-objects"
+                export PERF_CXXFLAGS="$PERF_CXXFLAGS -flto -ffat-lto-objects"
+                ;;
         esac
 
         export MESON_CROSS_FILE="--cross-file=/tmp/meson-$CARCH-$COMPILER.txt"