From a1d09ad416c45539ada043b213166aae4ce3ccf5 Mon Sep 17 00:00:00 2001
From: "H. Vetinari" <h.vetinari@gmx.com>
Date: Tue, 25 Apr 2023 19:31:13 +1100
Subject: [PATCH] add separate output for test targets

---
 recipe/build-abseil.bat |  9 +++++++
 recipe/build-abseil.sh  | 11 +++++++--
 recipe/meta.yaml        | 55 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 73 insertions(+), 2 deletions(-)

diff --git a/recipe/build-abseil.bat b/recipe/build-abseil.bat
index e2c05b2..d266f58 100644
--- a/recipe/build-abseil.bat
+++ b/recipe/build-abseil.bat
@@ -1,7 +1,15 @@
 @echo on
 
+SetLocal EnableDelayedExpansion
+
 mkdir build
 cd build
+
+if [%PKG_NAME%] == [libabseil-tests] (
+    set "EXTRA_ARGS=-DBUILD_TESTING=ON -DABSL_BUILD_TEST_HELPERS=ON -DABSL_BUILD_TESTING=ON"
+    set "EXTRA_ARGS=!EXTRA_ARGS! -DABSL_USE_EXTERNAL_GOOGLETEST=ON -DABSL_FIND_GOOGLETEST=ON"
+)
+
 cmake -GNinja ^
     -DCMAKE_BUILD_TYPE=Release ^
     -DCMAKE_CXX_STANDARD=17 ^
@@ -9,6 +17,7 @@ cmake -GNinja ^
     -DCMAKE_PREFIX_PATH=%LIBRARY_PREFIX% ^
     -DBUILD_SHARED_LIBS=ON ^
     -DABSL_PROPAGATE_CXX_STD=ON ^
+    !EXTRA_ARGS! ^
     ..
 if %ERRORLEVEL% neq 0 exit 1
 
diff --git a/recipe/build-abseil.sh b/recipe/build-abseil.sh
index 648ba1d..aa53b32 100644
--- a/recipe/build-abseil.sh
+++ b/recipe/build-abseil.sh
@@ -10,14 +10,21 @@ if [[ "${target_platform}" == osx-* ]]; then
     CXXFLAGS="${CXXFLAGS} -D_LIBCPP_DISABLE_AVAILABILITY"
 fi
 
-cmake ${CMAKE_ARGS} \
+EXTRA_ARGS=""
+if [[ "$PKG_NAME" == "libabseil-tests" ]]; then
+    EXTRA_ARGS="-DABSL_USE_EXTERNAL_GOOGLETEST=ON -DABSL_FIND_GOOGLETEST=ON"
+    EXTRA_ARGS="${EXTRA_ARGS} -DBUILD_TESTING=ON -DABSL_BUILD_TESTING=ON"
+fi
+
+cmake -G Ninja \
+    ${CMAKE_ARGS} \
     -DCMAKE_BUILD_TYPE=Release \
     -DCMAKE_CXX_STANDARD=17 \
     -DCMAKE_INSTALL_LIBDIR=lib \
     -DCMAKE_PREFIX_PATH=${PREFIX} \
     -DBUILD_SHARED_LIBS=ON \
     -DABSL_PROPAGATE_CXX_STD=ON \
-    -GNinja \
+    ${EXTRA_ARGS} \
     ..
 
 cmake --build .
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 168fdcc..afcbf1d 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -19,6 +19,8 @@
     "scoped_set_env", "spinlock_wait", "stacktrace", "status", "statusor", "strerror", "strings",
     "symbolize", "synchronization", "time", "time_zone"
 ] %}
+# test helper targets (but used e.g. by protobuf)
+{% set absl_test_libs = ["scoped_mock_log"] %}
 
 package:
   name: abseil-split
@@ -79,6 +81,9 @@ outputs:
         # windows-only (almost-)all-in-one DLL + import library
         - if not exist %LIBRARY_BIN%\\abseil_dll.dll exit 1           # [win]
         - if not exist %LIBRARY_LIB%\\abseil_dll.lib exit 1           # [win]
+        # absence of test targets in regular abseil output
+        - if exist %LIBRARY_BIN%\\abseil_test_dll.dll exit 1          # [win]
+        - if exist %LIBRARY_LIB%\\abseil_test_dll.lib exit 1          # [win]
 
         # absl_* libraries
       {% for each_lib in absl_libs %}
@@ -98,6 +103,14 @@ outputs:
         - pkg-config --print-errors --exact-version "{{ v_major }}" absl_{{ each_lib }}
       {% endfor %}
 
+        # absence of test targets in regular abseil output
+      {% for each_lib in absl_test_libs %}
+        # absence of all libs
+        - test ! -f $PREFIX/lib/libabsl_{{ each_lib }}${SHLIB_EXT}    # [unix]
+        - test ! -f $PREFIX/lib/libabsl_{{ each_lib }}.a              # [unix]
+        - if exist %LIBRARY_LIB%\\absl_{{ each_lib }}.lib exit 1      # [win]
+      {% endfor %}
+
         # pkg-config (abseil_dll)
         - pkg-config --print-errors --exact-version "{{ v_major }}" abseil_dll  # [win]
 
@@ -111,6 +124,48 @@ outputs:
         - ./flags_example    # [unix]
         - flags_example.exe  # [win]
 
+  # tests & test-helpers
+  - name: libabseil-tests
+    script: build-abseil.sh   # [unix]
+    script: build-abseil.bat  # [win]
+    build:
+      string: cxx{{ cxx_standard }}_h{{ PKG_HASH }}_{{ PKG_BUILDNUM }}
+
+    requirements:
+      build:
+        - {{ compiler('c') }}
+        - {{ compiler('cxx') }}
+        - cmake
+        - ninja
+      host:
+        - gtest
+        - {{ pin_subpackage("libabseil", exact=True) }}
+      run:
+        - gtest
+        - {{ pin_subpackage("libabseil", exact=True) }}
+
+    test:
+      requires:
+        - pkg-config
+      commands:
+        # windows-only (almost-)all-in-one DLL + import library
+        - if not exist %LIBRARY_BIN%\\abseil_test_dll.dll exit 1      # [win]
+        - if not exist %LIBRARY_LIB%\\abseil_test_dll.lib exit 1      # [win]
+
+        # absl_* libraries
+      {% for each_lib in absl_test_libs %}
+        # presence of shared libs
+        - test -f $PREFIX/lib/libabsl_{{ each_lib }}${SHLIB_EXT}      # [unix]
+        # absence of static libs
+        - test ! -f $PREFIX/lib/libabsl_{{ each_lib }}.a              # [unix]
+
+        # pkg-config (should point to abseil_test_dll on shared windows builds)
+        - pkg-config --print-errors --exact-version "{{ v_major }}" absl_{{ each_lib }}
+      {% endfor %}
+
+        # pkg-config abseil_test_dll
+        - pkg-config --print-errors --exact-version "{{ v_major }}" abseil_test_dll  # [win]
+
 about:
   home: https://github.com/abseil/abseil-cpp
   license: Apache-2.0