add json.c as a dependency, find cblosc2 in the cmakelists and add a …

…more complete cmakelists.txt

.gitignore

@@ -5,3 +5,8 @@ example
 .DS_Store
 .vesuvius-cache/
 *.obj
+
+cmake-build-debug/
+cmake-build-minsizerel/
+cmake-build-release/
+cmake-build-relwithdebinfo/

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "third-party/json.h"]
+	path = third-party/json.h
+	url = https://github.com/sheredom/json.h.git

CMakeLists.txt

@@ -2,5 +2,47 @@ cmake_minimum_required(VERSION 3.10)
 
 project(vesuvius C)
 
-add_executable(vesuvius_example example2.c)
-add_executable(vesuvius_tests runtests.c)
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+
+add_executable(vesuvius_example example.c)
+add_executable(vesuvius_example2 example2.c)
+add_executable(vesuvius_tests runtests.c)
+
+include_directories(third-party/json.h)
+
+find_package(Blosc2 REQUIRED)
+find_package(CURL REQUIRED)
+
+add_compile_options(-g3)
+if(UNIX)
+    add_link_options(-rdynamic)
+endif()
+
+# For some reason, when using _just_ link_libraries, no libraries are actually linked because ???
+# so just target_link_libraries for all executables
+target_link_libraries(vesuvius_example PUBLIC -lm)
+target_link_libraries(vesuvius_example2 PUBLIC -lm)
+target_link_libraries(vesuvius_tests PUBLIC -lm)
+
+if(Blosc2_FOUND)
+    message(STATUS "Found blosc2. Building with Zarr support")
+
+    target_link_libraries(vesuvius_example PUBLIC Blosc2::Blosc2)
+    target_link_libraries(vesuvius_example2 PUBLIC Blosc2::Blosc2)
+    target_link_libraries(vesuvius_tests PUBLIC Blosc2::Blosc2)
+    add_compile_definitions(VESUVIUS_ZARR_IMPL)
+else()
+    message(STATUS "Blosc2 not found - building without Zarr support")
+endif()
+
+if(CURL_FOUND)
+    message(STATUS "Found curl. Building with Curl support")
+    target_link_libraries(vesuvius_example PUBLIC CURL::libcurl)
+    target_link_libraries(vesuvius_example2 PUBLIC CURL::libcurl)
+    target_link_libraries(vesuvius_tests PUBLIC CURL::libcurl)
+    add_compile_definitions(VESUVIUS_CURL_IMPL)
+else()
+    message(STATUS "CURL not found - building without CURL support")
+endif()
+
+

cmake/FindBlosc2.cmake

@@ -0,0 +1,33 @@
+# FindBlosc2.cmake
+# Defines:
+#  BLOSC2_FOUND        - System has Blosc2
+#  BLOSC2_INCLUDE_DIRS - Blosc2 include directories
+#  BLOSC2_LIBRARY      - Blosc2 library
+#  Blosc2::Blosc2      - Imported target
+
+find_path(BLOSC2_INCLUDE_DIRS
+        NAMES blosc2.h
+        PATHS ${BLOSC2_ROOT_DIR}
+        PATH_SUFFIXES include
+)
+
+find_library(BLOSC2_LIBRARY
+        NAMES blosc2
+        PATHS ${BLOSC2_ROOT_DIR}
+        PATH_SUFFIXES lib lib64
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Blosc2
+        REQUIRED_VARS BLOSC2_LIBRARY BLOSC2_INCLUDE_DIRS
+)
+
+if(Blosc2_FOUND AND NOT TARGET Blosc2::Blosc2)
+    add_library(Blosc2::Blosc2 UNKNOWN IMPORTED)
+    set_target_properties(Blosc2::Blosc2 PROPERTIES
+            IMPORTED_LOCATION "${BLOSC2_LIBRARY}"
+            INTERFACE_INCLUDE_DIRECTORIES "${BLOSC2_INCLUDE_DIRS}"
+    )
+endif()
+
+mark_as_advanced(BLOSC2_INCLUDE_DIRS BLOSC2_LIBRARY)