CMake: Change -ffile-prefix-map to be enabled by an option

Use in github release workflows

.github/workflows/release-linux-distros.yml

@@ -95,6 +95,7 @@ jobs:
           -DCMAKE_BUILD_TYPE=Release \
           -DOPTION_COMPRESS_DEBUG=ON \
           -DOPTION_LTO=ON \
+          -DOPTION_TRIM_PATH_PREFIX=ON \
           -DCMAKE_INSTALL_PREFIX=/usr \
           # EOF
         echo "::endgroup::"

.github/workflows/release-linux.yml

@@ -138,6 +138,7 @@ jobs:
           -DCMAKE_BUILD_TYPE=Release \
           -DOPTION_COMPRESS_DEBUG=ON \
           -DOPTION_LTO=ON \
+          -DOPTION_TRIM_PATH_PREFIX=ON \
           -DOPTION_SURVEY_KEY=${{ inputs.survey_key }} \
           -DOPTION_PACKAGE_DEPENDENCIES=ON \
           # EOF

.github/workflows/release-macos.yml

@@ -112,6 +112,7 @@ jobs:
           -DCMAKE_TOOLCHAIN_FILE=/usr/local/share/vcpkg/scripts/buildsystems/vcpkg.cmake \
           -DHOST_BINARY_DIR=${GITHUB_WORKSPACE}/build-host \
           -DCMAKE_BUILD_TYPE=Release \
+          -DOPTION_TRIM_PATH_PREFIX=ON \
           -DOPTION_SURVEY_KEY=${{ inputs.survey_key }} \
           # EOF
         echo "::endgroup::"
@@ -133,6 +134,7 @@ jobs:
           -DCMAKE_TOOLCHAIN_FILE=/usr/local/share/vcpkg/scripts/buildsystems/vcpkg.cmake \
           -DHOST_BINARY_DIR=${GITHUB_WORKSPACE}/build-host \
           -DCMAKE_BUILD_TYPE=Release \
+          -DOPTION_TRIM_PATH_PREFIX=ON \
           -DOPTION_SURVEY_KEY=${{ inputs.survey_key }} \
           -DCPACK_BUNDLE_APPLE_CERT_APP=${{ secrets.APPLE_DEVELOPER_CERTIFICATE_ID }} \
           "-DCPACK_BUNDLE_APPLE_CODESIGN_PARAMETER=--deep -f --options runtime" \

cmake/CompileFlags.cmake

@@ -93,9 +93,13 @@ macro(compile_flags)
             #  compiler all happy.
             -fno-strict-aliasing
 
-            "-ffile-prefix-map=${CMAKE_SOURCE_DIR}/=/"
+
         )
 
+        if(OPTION_TRIM_PATH_PREFIX)
+            add_compile_options("-ffile-prefix-map=${CMAKE_SOURCE_DIR}/=/")
+        endif(OPTION_TRIM_PATH_PREFIX)
+
         if(NOT CMAKE_BUILD_TYPE)
             # Sensible default if no build type specified
             add_compile_options(-O2)