Make compile/test with proj lib optional

And disable on MacOS github actions build.

Author: joto

.github/actions/cmake/action.yml

@@ -10,6 +10,7 @@ runs:
           cd build
           cmake -LA .. \
            -DBUILD_DATA_TESTS=ON \
+           -DWITH_PROJ=${WITH_PROJ} \
            -DCMAKE_BUILD_TYPE=${BUILD_TYPE} \
            -DPROTOZERO_INCLUDE_DIR=${GITHUB_WORKSPACE}/../protozero/include
         shell: bash

.github/workflows/ci.yml

@@ -9,6 +9,7 @@ jobs:
       CC: clang-6.0
       CXX: clang++-6.0
       BUILD_TYPE: Dev
+      WITH_PROJ: ON
     steps:
       - uses: actions/checkout@v2
         with:
@@ -24,6 +25,7 @@ jobs:
       CC: clang-8
       CXX: clang++-8
       BUILD_TYPE: Dev
+      WITH_PROJ: ON
     steps:
       - uses: actions/checkout@v2
         with:
@@ -39,6 +41,7 @@ jobs:
       CC: clang-9
       CXX: clang++-9
       BUILD_TYPE: Dev
+      WITH_PROJ: ON
     steps:
       - uses: actions/checkout@v2
         with:
@@ -54,6 +57,7 @@ jobs:
       CC: clang-9
       CXX: clang++-9
       BUILD_TYPE: Dev
+      WITH_PROJ: ON
     steps:
       - uses: actions/checkout@v2
         with:
@@ -69,6 +73,7 @@ jobs:
       CC: clang-10
       CXX: clang++-10
       BUILD_TYPE: Dev
+      WITH_PROJ: ON
     steps:
       - uses: actions/checkout@v2
         with:
@@ -84,6 +89,7 @@ jobs:
       CC: clang-10
       CXX: clang++-10
       BUILD_TYPE: Debug
+      WITH_PROJ: ON
       CXXFLAGS: -fsanitize=address,undefined,integer -fno-sanitize-recover=all -fno-omit-frame-pointer
       LDFLAGS: -fsanitize=address,undefined,integer
     steps:
@@ -101,6 +107,7 @@ jobs:
       CC: clang-10
       CXX: clang++-10
       BUILD_TYPE: Release
+      WITH_PROJ: ON
     steps:
       - uses: actions/checkout@v2
         with:
@@ -116,6 +123,7 @@ jobs:
       CC: gcc-5
       CXX: g++-5
       BUILD_TYPE: Dev
+      WITH_PROJ: ON
     steps:
       - uses: actions/checkout@v2
         with:
@@ -131,6 +139,7 @@ jobs:
       CC: gcc-7
       CXX: g++-7
       BUILD_TYPE: Dev
+      WITH_PROJ: ON
     steps:
       - uses: actions/checkout@v2
         with:
@@ -146,6 +155,7 @@ jobs:
       CC: gcc-9
       CXX: g++-9
       BUILD_TYPE: Dev
+      WITH_PROJ: ON
     steps:
       - uses: actions/checkout@v2
         with:
@@ -162,6 +172,7 @@ jobs:
       CXX: g++-10
       CXXFLAGS: -Wno-stringop-overflow
       BUILD_TYPE: Dev
+      WITH_PROJ: ON
     steps:
       - uses: actions/checkout@v2
         with:
@@ -177,6 +188,7 @@ jobs:
       CC: gcc-10
       CXX: g++-10
       BUILD_TYPE: Release
+      WITH_PROJ: ON
     steps:
       - uses: actions/checkout@v2
         with:
@@ -192,6 +204,7 @@ jobs:
       CC: clang
       CXX: clang++
       BUILD_TYPE: Dev
+      WITH_PROJ: OFF
     steps:
       - uses: actions/checkout@v2
         with:
@@ -207,6 +220,7 @@ jobs:
       CC: clang
       CXX: clang++
       BUILD_TYPE: Dev
+      WITH_PROJ: OFF
     steps:
       - uses: actions/checkout@v2
         with:
@@ -222,6 +236,7 @@ jobs:
       CC: clang
       CXX: clang++
       BUILD_TYPE: Release
+      WITH_PROJ: OFF
     steps:
       - uses: actions/checkout@v2
         with:

CMakeLists.txt

@@ -80,6 +80,8 @@ option(INSTALL_GDALCPP   "also install gdalcpp headers" OFF)
 
 option(WITH_PROFILING    "add flags needed for profiling" OFF)
 
+option(WITH_PROJ         "build/test with proj" ON)
+
 
 #-----------------------------------------------------------------------------
 #
@@ -167,7 +169,11 @@ set(OSMIUM_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/include")
 
 include_directories(${OSMIUM_INCLUDE_DIR})
 
-find_package(Osmium COMPONENTS io gdal geos proj sparsehash)
+if(WITH_PROJ)
+    find_package(Osmium COMPONENTS io gdal geos proj sparsehash)
+else()
+    find_package(Osmium COMPONENTS io gdal geos sparsehash)
+endif()
 
 # The find_package put the directory where it found the libosmium includes
 # into OSMIUM_INCLUDE_DIRS. We remove it again, because we want to make

test/CMakeLists.txt

@@ -87,7 +87,7 @@ function(add_unit_test _tgroup _tname)
             ENVIRONMENT "OSMIUM_TEST_DATA_DIR=${CMAKE_CURRENT_SOURCE_DIR}"
         )
     else()
-        message("Skipped test ${_tpath} because a dependency was not found")
+        message("Skipped test ${_tpath} because a dependency was disabled/not found")
         set(OSMIUM_SKIPPED_TESTS
             "${OSMIUM_SKIPPED_TESTS} ${_tpath}"
             CACHE STRING "Tests that were skipped because of missing dependecies")