CI: Add solaris (#814)

.github/workflows/solaris.yml

@@ -0,0 +1,47 @@
+# Copyright (C) The c-ares project and its contributors
+# SPDX-License-Identifier: MIT
+name: Solaris
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: "Solaris Build and Test"
+    env:
+      DIST: SOLARIS
+      BUILD_TYPE: "cmake"
+      CMAKE_FLAGS: "-DCMAKE_BUILD_TYPE=DEBUG -DCARES_STATIC=ON -DCARES_STATIC_PIC=ON -DCMAKE_VERBOSE_MAKEFILE=ON"
+      CMAKE_TEST_FLAGS: "-DCMAKE_PREFIX_PATH=/usr/local/ -DCARES_BUILD_TESTS=ON -DCMAKE_CXX_FLAGS=-DGTEST_HAS_PTHREAD=0"
+      TEST_FILTER: "--gtest_filter=-*Live*"
+    steps:
+      - uses: actions/checkout@v4
+      - name: Solaris Build and Test
+        id: solaris
+        uses: vmactions/solaris-vm@v1
+        with:
+          envs: 'DIST BUILD_TYPE CMAKE_FLAGS CMAKE_TEST_FLAGS TEST_FILTER CXXFLAGS'
+          usesh: true
+          # package list: http://pkg.oracle.com/solaris/release/en/catalog.shtml
+          prepare: |
+            pkg install -v --no-refresh cmake gcc pkg-config gnu-make git
+          # We have to jump through a lot of hoops with google test.
+          #  - We need to max out at v1.13.x because this solaris VM is old and
+          #    only has cmake 3.9
+          #  - We have to compile google test ourselves because it isn't available.
+          #  - We have to forcibly compile google test without threading because
+          #    solaris throws an exception for some unknown reason.
+          #  - The forcible threading disablement doesn't appear to propagate to
+          #    proper cflags with compiling c-ares tests so we need to set a
+          #    CXX flag to let google test know it was compiled without threading.
+          run: |
+            git clone --depth=1 -b v1.13.x https://github.com/google/googletest googletest
+            cd googletest
+            cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DBUILD_GMOCK=ON -DINSTALL_GTEST=ON -Dgtest_disable_pthreads=ON -DCMAKE_VERBOSE_MAKEFILE=ON .
+            gmake
+            gmake install
+            cd ..
+            ./ci/build.sh
+            ./ci/test.sh

ci/build.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 # Copyright (C) The c-ares project and its contributors
 # SPDX-License-Identifier: MIT
-set -e
+set -e -x
 
 OS=""
 if [ "$TRAVIS_OS_NAME" != "" ]; then
@@ -30,9 +30,11 @@ if [ "$BUILD_TYPE" = "autotools" -o "$BUILD_TYPE" = "coverage" ]; then
     $SCAN_WRAP make
 else
     # Use cmake for everything else
+    mkdir cmakebld
+    cd cmakebld
     if [ "$DIST" = "iOS" ] ; then
         CMAKE_FLAGS="${CMAKE_FLAGS} -DCMAKE_OSX_SYSROOT=${SYSROOT}"
     fi
-    $SCAN_WRAP cmake ${CMAKE_FLAGS} ${CMAKE_TEST_FLAGS} -Bcmakebld .
-    $SCAN_WRAP cmake --build cmakebld
+    $SCAN_WRAP cmake ${CMAKE_FLAGS} ${CMAKE_TEST_FLAGS} ..
+    $SCAN_WRAP cmake --build .
 fi

ci/distcheck.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 # Copyright (C) The c-ares project and its contributors
 # SPDX-License-Identifier: MIT
-set -e
+set -e -x
 
 OS=""
 if [ "$TRAVIS_OS_NAME" != "" ]; then

ci/test.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 # Copyright (C) The c-ares project and its contributors
 # SPDX-License-Identifier: MIT
-set -e
+set -e -x
 
 # Travis on MacOS uses CloudFlare's DNS (1.1.1.1/1.0.0.1) which rejects ANY requests.
 # Also, LiveSearchTXT is known to fail on Cirrus-CI on some MacOS hosts, we don't get

test/CMakeLists.txt

@@ -9,8 +9,12 @@ ENDIF ()
 find_package(Threads)
 find_package(GTest REQUIRED)
 
-IF (NOT TARGET GTest::gmock)
-  Message(FATAL_ERROR "GoogleTest found but the GMock component was not found")
+IF (CMAKE_VERSION VERSION_LESS "3.23.0")
+  Message("GoogleTest found, cmake version too old to verify GMock, look for errors...")
+ELSE ()
+  IF (NOT TARGET GTest::gmock)
+    Message(FATAL_ERROR "GoogleTest found but the GMock component was not found")
+  ENDIF()
 ENDIF()
 
 # create target to access and use internal cares library
@@ -36,8 +40,15 @@ include(${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake)
 
 add_executable(arestest ${TESTSOURCES} ${TESTHEADERS})
 target_include_directories(arestest PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
-target_link_libraries(arestest PRIVATE caresinternal GTest::gmock)
-
+IF (CMAKE_VERSION VERSION_LESS "3.23.0")
+  FIND_LIBRARY(LIBGMOCK NAMES gmock PATHS ${GTEST_ROOT} PATH_SUFFIXES lib)
+  IF (LIBGMOCK-NOTFOUND)
+    MESSAGE(FATAL_ERROR "Could not find Gmock")
+  ENDIF ()
+  target_link_libraries(arestest PRIVATE caresinternal GTest::GTest ${LIBGMOCK})
+ELSE ()
+  target_link_libraries(arestest PRIVATE caresinternal GTest::gmock)
+ENDIF()
 target_compile_definitions(arestest PRIVATE CARES_NO_DEPRECATED)
 
 IF (CARES_BUILD_CONTAINER_TESTS)