CMake: Added contrib/iostream3.

1 files changed, 92 insertions, 0 deletions

diff --git a/contrib/iostream3/CMakeLists.txt b/contrib/iostream3/CMakeLists.txt
new file mode 100644
index 00000000..0f3bcd8e
--- /dev/null
+++ b/contrib/iostream3/CMakeLists.txt
@@ -0,0 +1,92 @@
+cmake_minimum_required(VERSION 3.12...3.31)
+
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules")
+
+project(
+    iostreamsV3
+    VERSION 1.0.0
+    LANGUAGES CXX
+    DESCRIPTION "A library for using C++ IOStreams with zlib V3"
+    HOMEPAGE_URL "https://www.zlib.net")
+
+option(ZLIB_IOSTREAM3_BUILD_SHARED "Enable building blast shared library" ON)
+option(ZLIB_IOSTREAM3_BUILD_STATIC "Enable building blast static library" ON)
+option(ZLIB_IOSTREAM3_BUILD_TESTING "Enable building tests for blast" ON)
+
+if(NOT DEFINED ZLIB_BUILD_IOSTREAM3)
+    if(ZLIB_IOSTREAM3_BUILD_SHARED)
+        list(APPEND REQUIRED_COMPONENTS "shared")
+    endif(ZLIB_IOSTREAM3_BUILD_SHARED)
+
+    if(ZLIB_IOSTREAM3_BUILD_STATIC)
+        list(APPEND REQUIRED_COMPONENTS "static")
+    endif(ZLIB_IOSTREAM3_BUILD_STATIC)
+
+    find_package(ZLIB REQUIRED COMPONENTS ${REQUIRED_COMPONENTS} CONFIG)
+endif(NOT DEFINED ZLIB_BUILD_IOSTREAM3)
+
+if(WIN32 OR CYGWIN)
+    set(zlibIOStream3_static_suffix "s")
+    set(CMAKE_DEBUG_POSTFIX "d")
+endif(WIN32 OR CYGWIN)
+
+if(ZLIB_IOSTREAM3_BUILD_SHARED)
+    add_library(zlib-iostream3 SHARED
+                zfstream.cc
+                zfstream.h)
+
+    target_link_libraries(zlib-iostream3
+        PUBLIC ZLIB::ZLIB)
+
+    if(ZLIB_IOSTREAM3_BUILD_TESTING)
+        enable_testing()
+
+        add_executable(iostream-test test.cc)
+
+        target_link_libraries(iostream-test
+            PRIVATE zlib-iostream3)
+
+        add_test(NAME zlib_iostream3_test COMMAND iostream-test)
+
+        set_tests_properties(zlib_iostream3_test
+            PROPERTIES
+                FIXTURES_REQUIRED iostream3_cleanup)
+    endif(ZLIB_IOSTREAM3_BUILD_TESTING)
+endif(ZLIB_IOSTREAM3_BUILD_SHARED)
+
+if(ZLIB_IOSTREAM3_BUILD_STATIC)
+    add_library(zlib-iostream3Static STATIC
+                zfstream.cc
+                zfstream.h)
+
+    target_link_libraries(zlib-iostream3Static
+        INTERFACE ZLIB::ZLIBSTATIC)
+
+    set_target_properties(zlib-iostream3Static
+        PROPERTIES
+            OUTPUT_NAME zlib-iostream3${zlib_IOStream3_static_suffix})
+
+    if(ZLIB_IOSTREAM3_BUILD_TESTING)
+        enable_testing()
+
+        add_executable(iostream-testStatic test.cc)
+
+        target_link_libraries(iostream-testStatic
+            PRIVATE zlib-iostream3Static)
+        add_test(NAME zlib_iostream3_testStatic COMMAND iostream-testStatic)
+
+        set_tests_properties(zlib_iostream3_testStatic
+            PROPERTIES
+                FIXTURES_REQUIRED iostream3_cleanup)
+    endif(ZLIB_IOSTREAM3_BUILD_TESTING)
+endif(ZLIB_IOSTREAM3_BUILD_STATIC)
+
+if(ZLIB_IOSTREAM3_BUILD_TESTING)
+    add_test(NAME zlib_iostream3_cleanup COMMAND ${CMAKE_COMMAND} -E rm
+        ${CMAKE_CURRENT_BINARY_DIR}/test1.txt.gz
+        ${CMAKE_CURRENT_BINARY_DIR}/test2.txt.gz)
+
+    set_tests_properties(zlib_iostream3_cleanup
+        PROPERTIES
+            FIXTURES_CLEANUP zlib_iostream3_cleanup)
+endif(ZLIB_IOSTREAM3_BUILD_TESTING)