Use mold linker

.gitlab-ci.yml

@@ -589,7 +589,7 @@ Ubuntu_AndroidNDK_arm64-v8a:
       - ccache/
       - build/extern/fetched/
   before_script:
-    - CI/install_debian_deps.sh gcc
+    - CI/install_debian_deps.sh android
   stage: build
   script:
     - df -h

CI/before_script.linux.sh

@@ -28,6 +28,7 @@ declare -a CMAKE_CONF_OPTS=(
     -DUSE_SYSTEM_TINYXML=ON
     -DOPENMW_USE_SYSTEM_RECASTNAVIGATION=ON
     -DOPENMW_CXX_FLAGS="-Werror -Werror=implicit-fallthrough"  # flags specific to OpenMW project
+    -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=mold"
 )
 
 if [[ $CI_OPENMW_USE_STATIC_DEPS ]]; then
@@ -63,12 +64,6 @@ if [[ "${CMAKE_CXX_FLAGS_DEBUG}" ]]; then
     )
 fi
 
-if [[ "${CMAKE_EXE_LINKER_FLAGS}" ]]; then
-    CMAKE_CONF_OPTS+=(
-        -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS}"
-    )
-fi
-
 if [[ "${BUILD_WITH_CODE_COVERAGE}" ]]; then
     CMAKE_CONF_OPTS+=(
         -DBUILD_WITH_CODE_COVERAGE="${BUILD_WITH_CODE_COVERAGE}"

CI/install_debian_deps.sh

@@ -9,8 +9,8 @@ print_help() {
 }
 
 declare -rA GROUPED_DEPS=(
-  [gcc]="binutils gcc build-essential cmake ccache curl unzip git pkg-config"
-  [clang]="binutils clang make cmake ccache curl unzip git pkg-config"
+  [gcc]="binutils gcc build-essential cmake ccache curl unzip git pkg-config mold"
+  [clang]="binutils clang make cmake ccache curl unzip git pkg-config mold"
 
   # Common dependencies for building OpenMW.
   [openmw-deps]="
@@ -75,6 +75,8 @@ declare -rA GROUPED_DEPS=(
     python3-pip
     xvfb
   "
+
+  [android]="binutils build-essential cmake ccache curl unzip git pkg-config"
 )
 
 if [[ $# -eq 0 ]]; then