8 files changed, 236 insertions, 0 deletions
diff --git a/vcpkg-ports/zlib/0001-Prevent-invalid-inclusions-when-HAVE_-is-set-to-0.patch b/vcpkg-ports/zlib/0001-Prevent-invalid-inclusions-when-HAVE_-is-set-to-0.patch
new file mode 100644
index 00000000..8fe2b2f5
--- /dev/null
+++ b/vcpkg-ports/zlib/0001-Prevent-invalid-inclusions-when-HAVE_-is-set-to-0.patch
@@ -0,0 +1,53 @@
+diff --git a/zconf.h.cmakein b/zconf.h.cmakein
+index a7f24cc..a1b359b 100644
+--- a/zconf.h.cmakein
++++ b/zconf.h.cmakein
+@@ -434,11 +434,19 @@ typedef uLong FAR uLongf;
+ #endif
+ 
+ #ifdef HAVE_UNISTD_H    /* may be set to #if 1 by ./configure */
+-#  define Z_HAVE_UNISTD_H
++#  if ~(~HAVE_UNISTD_H + 0) == 0 && ~(~HAVE_UNISTD_H + 1) == 1
++#    define Z_HAVE_UNISTD_H
++#  elif HAVE_UNISTD_H != 0
++#    define Z_HAVE_UNISTD_H
++#  endif
+ #endif
+ 
+ #ifdef HAVE_STDARG_H    /* may be set to #if 1 by ./configure */
+-#  define Z_HAVE_STDARG_H
++#  if ~(~HAVE_STDARG_H + 0) == 0 && ~(~HAVE_STDARG_H + 1) == 1
++#    define Z_HAVE_STDARG_H
++#  elif HAVE_STDARG_H != 0
++#    define Z_HAVE_STDARG_H
++#  endif
+ #endif
+ 
+ #ifdef STDC
+diff --git a/zconf.h.in b/zconf.h.in
+index 5e1d68a..32f53c8 100644
+--- a/zconf.h.in
++++ b/zconf.h.in
+@@ -432,11 +432,19 @@ typedef uLong FAR uLongf;
+ #endif
+ 
+ #ifdef HAVE_UNISTD_H    /* may be set to #if 1 by ./configure */
+-#  define Z_HAVE_UNISTD_H
++#  if ~(~HAVE_UNISTD_H + 0) == 0 && ~(~HAVE_UNISTD_H + 1) == 1
++#    define Z_HAVE_UNISTD_H
++#  elif HAVE_UNISTD_H != 0
++#    define Z_HAVE_UNISTD_H
++#  endif
+ #endif
+ 
+ #ifdef HAVE_STDARG_H    /* may be set to #if 1 by ./configure */
+-#  define Z_HAVE_STDARG_H
++#  if ~(~HAVE_STDARG_H + 0) == 0 && ~(~HAVE_STDARG_H + 1) == 1
++#    define Z_HAVE_STDARG_H
++#  elif HAVE_STDARG_H != 0
++#    define Z_HAVE_STDARG_H
++#  endif
+ #endif
+ 
+ #ifdef STDC
+
diff --git a/vcpkg-ports/zlib/0002-skip-building-examples.patch b/vcpkg-ports/zlib/0002-skip-building-examples.patch
new file mode 100644
index 00000000..8183f2ab
--- /dev/null
+++ b/vcpkg-ports/zlib/0002-skip-building-examples.patch
@@ -0,0 +1,17 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index b412dc7..f46c8e6 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -194,6 +194,7 @@ endif()
+ # Example binaries
+ #============================================================================
+ 
++if (0)
+ add_executable(example test/example.c)
+ target_link_libraries(example zlib)
+ add_test(example example)
+@@ -211,3 +212,4 @@ if(HAVE_OFF64_T)
+     target_link_libraries(minigzip64 zlib)
+     set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
+ endif()
++endif()
diff --git a/vcpkg-ports/zlib/0003-build-static-or-shared-not-both.patch b/vcpkg-ports/zlib/0003-build-static-or-shared-not-both.patch
new file mode 100644
index 00000000..c9f2ecf1
--- /dev/null
+++ b/vcpkg-ports/zlib/0003-build-static-or-shared-not-both.patch
@@ -0,0 +1,53 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index f46c8e6..6fa5575 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -121,9 +121,11 @@ set(ZLIB_SRCS
+ )
+ 
+ if(NOT MINGW)
++    if(BUILD_SHARED_LIBS)
+     set(ZLIB_DLL_SRCS
+         win32/zlib1.rc # If present will override custom build rule below.
+     )
++    endif()
+ endif()
+ 
+ # parse the full version number from zlib.h and include in ZLIB_FULL_VERSION
+@@ -144,13 +146,16 @@ if(MINGW)
+                             -I ${CMAKE_CURRENT_BINARY_DIR}
+                             -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
+                             -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc)
++    if(BUILD_SHARED_LIBS)
+     set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
++    endif()
+ endif(MINGW)
+ 
+-add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
+-add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
++add_library(zlib ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
++if (BUILD_SHARED_LIBS)
+ set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL)
+ set_target_properties(zlib PROPERTIES SOVERSION 1)
++endif()
+ 
+ if(NOT CYGWIN)
+     # This property causes shared libraries on Linux to have the full version
+@@ -165,7 +170,7 @@ endif()
+ 
+ if(UNIX)
+     # On unix-like platforms the library is almost always called libz
+-   set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z)
++   set_target_properties(zlib PROPERTIES OUTPUT_NAME z)
+    if(NOT APPLE)
+      set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib.map\"")
+    endif()
+@@ -175,7 +180,7 @@ elseif(BUILD_SHARED_LIBS AND WIN32)
+ endif()
+ 
+ if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
+-    install(TARGETS zlib zlibstatic
++    install(TARGETS zlib
+         RUNTIME DESTINATION "${INSTALL_BIN_DIR}"
+         ARCHIVE DESTINATION "${INSTALL_LIB_DIR}"
+         LIBRARY DESTINATION "${INSTALL_LIB_DIR}" )
diff --git a/vcpkg-ports/zlib/0004-android-and-mingw-fixes.patch b/vcpkg-ports/zlib/0004-android-and-mingw-fixes.patch
new file mode 100644
index 00000000..e93173f2
--- /dev/null
+++ b/vcpkg-ports/zlib/0004-android-and-mingw-fixes.patch
@@ -0,0 +1,31 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 6fa5575..7c345db 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -56,7 +56,7 @@ endif()
+ #
+ check_include_file(unistd.h Z_HAVE_UNISTD_H)
+ 
+-if(MSVC)
++if(WIN32)
+     set(CMAKE_DEBUG_POSTFIX "d")
+     add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
+     add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
+@@ -133,7 +133,7 @@ file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents)
+ string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*"
+     "\\1" ZLIB_FULL_VERSION ${_zlib_h_contents})
+ 
+-if(MINGW)
++if(MINGW AND NOT ANDROID)
+     # This gets us DLL resource information when compiling on MinGW.
+     if(NOT CMAKE_RC_COMPILER)
+         set(CMAKE_RC_COMPILER windres.exe)
+@@ -149,7 +149,7 @@ if(MINGW)
+     if(BUILD_SHARED_LIBS)
+     set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
+     endif()
+-endif(MINGW)
++endif(MINGW AND NOT ANDROID)
+ 
+ add_library(zlib ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
+ if (BUILD_SHARED_LIBS)
diff --git a/vcpkg-ports/zlib/portfile.cmake b/vcpkg-ports/zlib/portfile.cmake
new file mode 100644
index 00000000..450cb2c1
--- /dev/null
+++ b/vcpkg-ports/zlib/portfile.cmake
@@ -0,0 +1,53 @@
+# When this port is updated, the minizip port should be updated at the same time
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO madler/zlib
+    REF v1.2.13
+    SHA512 44b834fbfb50cca229209b8dbe1f96b258f19a49f5df23b80970b716371d856a4adf525edb4c6e0e645b180ea949cb90f5365a1d896160f297f56794dd888659
+    HEAD_REF master
+    PATCHES
+        0001-Prevent-invalid-inclusions-when-HAVE_-is-set-to-0.patch
+        0002-skip-building-examples.patch
+        0003-build-static-or-shared-not-both.patch
+        0004-android-and-mingw-fixes.patch
+)
+
+# This is generated during the cmake build
+file(REMOVE "${SOURCE_PATH}/zconf.h")
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    OPTIONS
+        -DSKIP_INSTALL_FILES=ON
+    OPTIONS_DEBUG
+        -DSKIP_INSTALL_HEADERS=ON
+)
+
+vcpkg_cmake_install()
+file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/vcpkg-cmake-wrapper.cmake" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
+
+# Install the pkgconfig file
+if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "release")
+    if(VCPKG_TARGET_IS_WINDOWS)
+        vcpkg_replace_string("${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/zlib.pc" "-lz" "-lzlib")
+    endif()
+    file(COPY "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/zlib.pc" DESTINATION "${CURRENT_PACKAGES_DIR}/lib/pkgconfig")
+endif()
+if(NOT DEFINED VCPKG_BUILD_TYPE OR VCPKG_BUILD_TYPE STREQUAL "debug")
+    if(VCPKG_TARGET_IS_WINDOWS)
+        vcpkg_replace_string("${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-dbg/zlib.pc" "-lz" "-lzlibd")
+    endif()
+    file(COPY "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-dbg/zlib.pc" DESTINATION "${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig")
+endif()
+
+vcpkg_fixup_pkgconfig()
+vcpkg_copy_pdbs()
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL "static")
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/include/zconf.h" "ifdef ZLIB_DLL" "if 0")
+else()
+    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/include/zconf.h" "ifdef ZLIB_DLL" "if 1")
+endif()
+
+file(COPY "${CMAKE_CURRENT_LIST_DIR}/usage" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
+file(INSTALL "${SOURCE_PATH}/LICENSE" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}" RENAME copyright)
diff --git a/vcpkg-ports/zlib/usage b/vcpkg-ports/zlib/usage
new file mode 100644
index 00000000..0dfed749
--- /dev/null
+++ b/vcpkg-ports/zlib/usage
@@ -0,0 +1,4 @@
+The package zlib is compatible with built-in CMake targets:
+
+    find_package(ZLIB REQUIRED)
+    target_link_libraries(main PRIVATE ZLIB::ZLIB)
diff --git a/vcpkg-ports/zlib/vcpkg-cmake-wrapper.cmake b/vcpkg-ports/zlib/vcpkg-cmake-wrapper.cmake
new file mode 100644
index 00000000..868a4185
--- /dev/null
+++ b/vcpkg-ports/zlib/vcpkg-cmake-wrapper.cmake
@@ -0,0 +1,12 @@
+find_path(ZLIB_INCLUDE_DIR NAMES zlib.h PATHS "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/include" NO_DEFAULT_PATH)
+find_library(ZLIB_LIBRARY_RELEASE NAMES zlib  z PATHS "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/lib" NO_DEFAULT_PATH)
+find_library(ZLIB_LIBRARY_DEBUG   NAMES zlibd z PATHS "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/debug/lib" NO_DEFAULT_PATH)
+if(NOT ZLIB_INCLUDE_DIR OR NOT (ZLIB_LIBRARY_RELEASE OR ZLIB_LIBRARY_DEBUG))
+    message(FATAL_ERROR "Broken installation of vcpkg port zlib")
+endif()
+if(CMAKE_VERSION VERSION_LESS 3.4)
+    include(SelectLibraryConfigurations)
+    select_library_configurations(ZLIB)
+    unset(ZLIB_FOUND)
+endif()
+_find_package(${ARGS})
diff --git a/vcpkg-ports/zlib/vcpkg.json b/vcpkg-ports/zlib/vcpkg.json
new file mode 100644
index 00000000..7ef1f29d
--- /dev/null
+++ b/vcpkg-ports/zlib/vcpkg.json
@@ -0,0 +1,13 @@
+{
+  "name": "zlib",
+  "version": "1.2.13",
+  "description": "A compression library",
+  "homepage": "https://www.zlib.net/",
+  "license": "Zlib",
+  "dependencies": [
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    }
+  ]
+}