Enable building monolithic shared library on macOS and Linux.

PiperOrigin-RevId: 638284938
Change-Id: I4189215d85862a8eeaff5c477ff2e47252fa52d3

3 files changed, 96 insertions, 56 deletions

diff --git a/ci/linux_gcc-latest_libstdcxx_cmake.sh b/ci/linux_gcc-latest_libstdcxx_cmake.sh
index 1f721236..243901c2 100755
--- a/ci/linux_gcc-latest_libstdcxx_cmake.sh
+++ b/ci/linux_gcc-latest_libstdcxx_cmake.sh
@@ -34,33 +34,46 @@ if [[ -z ${ABSL_CMAKE_BUILD_SHARED:-} ]]; then
   ABSL_CMAKE_BUILD_SHARED="OFF ON"
 fi
 
+if [[ -z ${ABSL_CMAKE_BUILD_MONOLITHIC_SHARED_LIBS:-} ]]; then
+  ABSL_CMAKE_BUILD_MONOLITHIC_SHARED_LIBS="OFF ON"
+fi
+
 source "${ABSEIL_ROOT}/ci/linux_docker_containers.sh"
 readonly DOCKER_CONTAINER=${LINUX_GCC_LATEST_CONTAINER}
 
 for std in ${ABSL_CMAKE_CXX_STANDARDS}; do
   for compilation_mode in ${ABSL_CMAKE_BUILD_TYPES}; do
     for build_shared in ${ABSL_CMAKE_BUILD_SHARED}; do
-      time docker run \
-        --mount type=bind,source="${ABSEIL_ROOT}",target=/abseil-cpp,readonly \
-        --tmpfs=/buildfs:exec \
-        --workdir=/buildfs \
-        --cap-add=SYS_PTRACE \
-        --rm \
-        -e CFLAGS="-Werror" \
-        -e CXXFLAGS="-Werror" \
-        ${DOCKER_EXTRA_ARGS:-} \
-        "${DOCKER_CONTAINER}" \
-        /bin/bash -c "
-          cmake /abseil-cpp \
-            -DABSL_GOOGLETEST_DOWNLOAD_URL=${ABSL_GOOGLETEST_DOWNLOAD_URL} \
-            -DBUILD_SHARED_LIBS=${build_shared} \
-            -DABSL_BUILD_TESTING=ON \
-            -DCMAKE_BUILD_TYPE=${compilation_mode} \
-            -DCMAKE_CXX_STANDARD=${std} \
-            -DCMAKE_MODULE_LINKER_FLAGS=\"-Wl,--no-undefined\" && \
-          make -j$(nproc) && \
-          TZDIR=/abseil-cpp/absl/time/internal/cctz/testdata/zoneinfo \
-          ctest -j$(nproc) --output-on-failure"
+      if [[ $build_shared == "OFF" ]]; then
+        monolithic_shared_options="OFF"
+      else
+        monolithic_shared_options="$ABSL_CMAKE_BUILD_MONOLITHIC_SHARED_LIBS"
+      fi
+
+      for monolithic_shared in $monolithic_shared_options; do
+        time docker run \
+          --mount type=bind,source="${ABSEIL_ROOT}",target=/abseil-cpp,readonly \
+          --tmpfs=/buildfs:exec \
+          --workdir=/buildfs \
+          --cap-add=SYS_PTRACE \
+          --rm \
+          -e CFLAGS="-Werror" \
+          -e CXXFLAGS="-Werror" \
+          ${DOCKER_EXTRA_ARGS:-} \
+          "${DOCKER_CONTAINER}" \
+          /bin/bash -c "
+            cmake /abseil-cpp \
+              -DABSL_GOOGLETEST_DOWNLOAD_URL=${ABSL_GOOGLETEST_DOWNLOAD_URL} \
+              -DBUILD_SHARED_LIBS=${build_shared} \
+              -DABSL_BUILD_TESTING=ON \
+              -DCMAKE_BUILD_TYPE=${compilation_mode} \
+              -DCMAKE_CXX_STANDARD=${std} \
+              -DABSL_BUILD_MONOLITHIC_SHARED_LIBS=${monolithic_shared} \
+              -DCMAKE_MODULE_LINKER_FLAGS=\"-Wl,--no-undefined\" && \
+            make -j$(nproc) && \
+            TZDIR=/abseil-cpp/absl/time/internal/cctz/testdata/zoneinfo \
+            ctest -j$(nproc) --output-on-failure"
+        done
     done
   done
 done
diff --git a/ci/linux_gcc_alpine_cmake.sh b/ci/linux_gcc_alpine_cmake.sh
index b784456f..f19954f5 100755
--- a/ci/linux_gcc_alpine_cmake.sh
+++ b/ci/linux_gcc_alpine_cmake.sh
@@ -34,32 +34,46 @@ if [[ -z ${ABSL_CMAKE_BUILD_SHARED:-} ]]; then
   ABSL_CMAKE_BUILD_SHARED="OFF ON"
 fi
 
+if [[ -z ${ABSL_CMAKE_BUILD_MONOLITHIC_SHARED_LIBS:-} ]]; then
+  ABSL_CMAKE_BUILD_MONOLITHIC_SHARED_LIBS="OFF ON"
+fi
+
 source "${ABSEIL_ROOT}/ci/linux_docker_containers.sh"
 readonly DOCKER_CONTAINER=${LINUX_ALPINE_CONTAINER}
 
 for std in ${ABSL_CMAKE_CXX_STANDARDS}; do
   for compilation_mode in ${ABSL_CMAKE_BUILD_TYPES}; do
     for build_shared in ${ABSL_CMAKE_BUILD_SHARED}; do
-      time docker run \
-        --mount type=bind,source="${ABSEIL_ROOT}",target=/abseil-cpp,readonly \
-        --tmpfs=/buildfs:exec \
-        --workdir=/buildfs \
-        --cap-add=SYS_PTRACE \
-        --rm \
-        -e CFLAGS="-Werror" \
-        -e CXXFLAGS="-Werror" \
-        ${DOCKER_EXTRA_ARGS:-} \
-        "${DOCKER_CONTAINER}" \
-        /bin/sh -c "
-          cmake /abseil-cpp \
-            -DABSL_GOOGLETEST_DOWNLOAD_URL=${ABSL_GOOGLETEST_DOWNLOAD_URL} \
-            -DABSL_BUILD_TESTING=ON \
-            -DCMAKE_BUILD_TYPE=${compilation_mode} \
-            -DCMAKE_CXX_STANDARD=${std} \
-            -DCMAKE_MODULE_LINKER_FLAGS=\"-Wl,--no-undefined\" && \
-          make -j$(nproc) && \
-          TZDIR=/abseil-cpp/absl/time/internal/cctz/testdata/zoneinfo \
-          ctest -j$(nproc) --output-on-failure"
+      if [[ $build_shared == "OFF" ]]; then
+        monolithic_shared_options="OFF"
+      else
+        monolithic_shared_options="$ABSL_CMAKE_BUILD_MONOLITHIC_SHARED_LIBS"
+      fi
+
+      for monolithic_shared in $monolithic_shared_options; do
+        time docker run \
+          --mount type=bind,source="${ABSEIL_ROOT}",target=/abseil-cpp,readonly \
+          --tmpfs=/buildfs:exec \
+          --workdir=/buildfs \
+          --cap-add=SYS_PTRACE \
+          --rm \
+          -e CFLAGS="-Werror" \
+          -e CXXFLAGS="-Werror" \
+          ${DOCKER_EXTRA_ARGS:-} \
+          "${DOCKER_CONTAINER}" \
+          /bin/sh -c "
+            cmake /abseil-cpp \
+              -DABSL_GOOGLETEST_DOWNLOAD_URL=${ABSL_GOOGLETEST_DOWNLOAD_URL} \
+              -DBUILD_SHARED_LIBS=${build_shared} \
+              -DABSL_BUILD_TESTING=ON \
+              -DCMAKE_BUILD_TYPE=${compilation_mode} \
+              -DCMAKE_CXX_STANDARD=${std} \
+              -DABSL_BUILD_MONOLITHIC_SHARED_LIBS=${monolithic_shared} \
+              -DCMAKE_MODULE_LINKER_FLAGS=\"-Wl,--no-undefined\" && \
+            make -j$(nproc) && \
+            TZDIR=/abseil-cpp/absl/time/internal/cctz/testdata/zoneinfo \
+            ctest -j$(nproc) --output-on-failure"
+        done
     done
   done
 done
diff --git a/ci/macos_xcode_cmake.sh b/ci/macos_xcode_cmake.sh
index 690f86b8..c8780384 100755
--- a/ci/macos_xcode_cmake.sh
+++ b/ci/macos_xcode_cmake.sh
@@ -36,22 +36,35 @@ if [[ -z ${ABSL_CMAKE_BUILD_SHARED:-} ]]; then
   ABSL_CMAKE_BUILD_SHARED="OFF ON"
 fi
 
+if [[ -z ${ABSL_CMAKE_BUILD_MONOLITHIC_SHARED_LIBS:-} ]]; then
+  ABSL_CMAKE_BUILD_MONOLITHIC_SHARED_LIBS="OFF ON"
+fi
+
 for compilation_mode in ${ABSL_CMAKE_BUILD_TYPES}; do
   for build_shared in ${ABSL_CMAKE_BUILD_SHARED}; do
-    BUILD_DIR=$(mktemp -d ${compilation_mode}.XXXXXXXX)
-    cd ${BUILD_DIR}
-
-    # TODO(absl-team): Enable -Werror once all warnings are fixed.
-    time cmake ${ABSEIL_ROOT} \
-      -GXcode \
-      -DBUILD_SHARED_LIBS=${build_shared} \
-      -DABSL_BUILD_TESTING=ON \
-      -DCMAKE_BUILD_TYPE=${compilation_mode} \
-      -DCMAKE_CXX_STANDARD=14 \
-      -DCMAKE_MODULE_LINKER_FLAGS="-Wl,--no-undefined" \
-      -DABSL_GOOGLETEST_DOWNLOAD_URL="${ABSL_GOOGLETEST_DOWNLOAD_URL}"
-    time cmake --build .
-    time TZDIR=${ABSEIL_ROOT}/absl/time/internal/cctz/testdata/zoneinfo \
-      ctest -C ${compilation_mode} --output-on-failure
+    if [[ $build_shared == "OFF" ]]; then
+      monolithic_shared_options="OFF"
+    else
+      monolithic_shared_options="$ABSL_CMAKE_BUILD_MONOLITHIC_SHARED_LIBS"
+    fi
+
+    for monolithic_shared in $monolithic_shared_options; do
+      BUILD_DIR=$(mktemp -d ${compilation_mode}.XXXXXXXX)
+      cd ${BUILD_DIR}
+
+      # TODO(absl-team): Enable -Werror once all warnings are fixed.
+      time cmake ${ABSEIL_ROOT} \
+        -GXcode \
+        -DBUILD_SHARED_LIBS=${build_shared} \
+        -DABSL_BUILD_TESTING=ON \
+        -DCMAKE_BUILD_TYPE=${compilation_mode} \
+        -DCMAKE_CXX_STANDARD=14 \
+        -DCMAKE_MODULE_LINKER_FLAGS="-Wl,--no-undefined" \
+        -DABSL_BUILD_MONOLITHIC_SHARED_LIBS=${monolithic_shared} \
+        -DABSL_GOOGLETEST_DOWNLOAD_URL="${ABSL_GOOGLETEST_DOWNLOAD_URL}"
+      time cmake --build .
+      time TZDIR=${ABSEIL_ROOT}/absl/time/internal/cctz/testdata/zoneinfo \
+        ctest -C ${compilation_mode} --output-on-failure
+    done
   done
 done