[overcome problem of fully static executables not working with std.net.curl]

Incl. the Phobos test runner, and dub.

Author: kinke

.github/actions/7-package/action.yml

@@ -24,13 +24,6 @@ runs:
         fi
         echo "DMD=$DMD" >> $GITHUB_ENV
 
-    - name: 'Alpine: Set DFLAGS environment variable (-Xcc=-static)' # for fully statically linked dub etc.
-      if: inputs.os == 'alpine'
-      shell: bash
-      run: |
-        set -eux
-        echo "DFLAGS=-Xcc=-static${DFLAGS:+ $DFLAGS}" >> $GITHUB_ENV
-
     - name: Build & copy dub
       shell: bash
       run: |
@@ -56,6 +49,11 @@ runs:
         cd dlang-tools
         git checkout "$(cat ../ldc/packaging/dlang-tools_version)"
 
+        # Alpine: build these tools as fully static executables
+        if [[ '${{ inputs.os }}' == 'alpine' ]]; then
+          export DFLAGS="-Xcc=-static${DFLAGS:+ $DFLAGS}"
+        fi
+
         mkdir bin
         $DMD -w -de -dip1000 rdmd.d -of=bin/rdmd
         $DMD -w -de -dip1000 ddemangle.d -of=bin/ddemangle

.github/workflows/main.yml

@@ -29,7 +29,7 @@ jobs:
               -DBUILD_LTO_LIBS=ON
               -DCMAKE_C_COMPILER=clang
               -DCMAKE_CXX_COMPILER=clang++
-              -DCMAKE_EXE_LINKER_FLAGS=-static-libstdc++
+              -DD_LINKER_ARGS=-static-libstdc++
               -DJITRT_EXTRA_LDFLAGS=-static-libstdc++
               -DD_COMPILER_FLAGS="-O -flto=full -defaultlib=phobos2-ldc-lto,druntime-ldc-lto"
               -DEXTRA_CXXFLAGS=-flto=full
@@ -47,7 +47,7 @@ jobs:
               -DCOMPILER_RT_LIBDIR_OS=aarch64-unknown-linux-gnu
               -DCMAKE_C_COMPILER=clang
               -DCMAKE_CXX_COMPILER=clang++
-              -DCMAKE_EXE_LINKER_FLAGS=-static-libstdc++
+              -DD_LINKER_ARGS=-static-libstdc++
               -DJITRT_EXTRA_LDFLAGS=-static-libstdc++
               -DD_COMPILER_FLAGS="-O -flto=full -defaultlib=phobos2-ldc-lto,druntime-ldc-lto"
               -DEXTRA_CXXFLAGS=-flto=full
@@ -69,7 +69,7 @@ jobs:
               -DCOMPILER_RT_LIBDIR_OS=linux
               -DLDC_INSTALL_LLVM_RUNTIME_LIBS_ARCH=x86_64
               -DTEST_COMPILER_RT_LIBRARIES="profile;lsan;asan;msan;fuzzer"
-              -DCMAKE_EXE_LINKER_FLAGS=-static
+              -DD_LINKER_ARGS=-static
               -DD_COMPILER_FLAGS="-O -flto=full"
             # FIXME: -defaultlib=phobos2-ldc-lto,druntime-ldc-lto
             with_pgo: false

.github/workflows/supported_llvm_versions.yml

@@ -24,12 +24,12 @@ jobs:
             os: macos-14
             host_dc: ldc-beta
             llvm_version: 17.0.5
-            cmake_flags: -DBUILD_SHARED_LIBS=ON -DRT_SUPPORT_SANITIZERS=ON -DCMAKE_EXE_LINKER_FLAGS=-L/opt/homebrew/opt/zstd/lib -DCMAKE_C_COMPILER=/usr/bin/cc -DCMAKE_CXX_COMPILER=/usr/bin/c++
+            cmake_flags: -DBUILD_SHARED_LIBS=ON -DRT_SUPPORT_SANITIZERS=ON -DD_LINKER_ARGS=-L/opt/homebrew/opt/zstd/lib -DCMAKE_C_COMPILER=/usr/bin/cc -DCMAKE_CXX_COMPILER=/usr/bin/c++
           - job_name: macOS 14, LLVM 16, latest LDC beta
             os: macos-14
             host_dc: ldc-beta
             llvm_version: 16.0.5
-            cmake_flags: -DBUILD_SHARED_LIBS=OFF -DCMAKE_EXE_LINKER_FLAGS=-L/opt/homebrew/opt/zstd/lib -DCMAKE_C_COMPILER=/usr/bin/cc -DCMAKE_CXX_COMPILER=/usr/bin/c++
+            cmake_flags: -DBUILD_SHARED_LIBS=OFF -DD_LINKER_ARGS=-L/opt/homebrew/opt/zstd/lib -DCMAKE_C_COMPILER=/usr/bin/cc -DCMAKE_CXX_COMPILER=/usr/bin/c++
           - job_name: Ubuntu 24.04, LLVM 15, latest DMD beta
             os: ubuntu-24.04
             host_dc: dmd-beta

cmake/Modules/BuildDExecutable.cmake

@@ -95,7 +95,7 @@ function(build_d_executable target_name output_exe d_src_files compiler_args lin
             list(APPEND dep_libs "-L$<TARGET_LINKER_FILE:${l}>")
         endforeach()
 
-        set(full_linker_args ${CMAKE_EXE_LINKER_FLAGS} ${linker_args})
+        set(full_linker_args ${CMAKE_EXE_LINKER_FLAGS} ${linker_args} ${D_LINKER_ARGS})
         translate_linker_args(full_linker_args translated_linker_args)
 
         # We need to link against the C++ runtime library.