snappy: Implement cmake shared/static config (#24414)

mingw-w64-snappy/PKGBUILD

@@ -5,7 +5,7 @@ _realname=snappy
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=1.2.2
-pkgrel=1
+pkgrel=2
 pkgdesc="A fast compressor/decompressor library (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
@@ -23,11 +23,13 @@ checkdepends=("${MINGW_PACKAGE_PREFIX}-zlib"
 source=("https://github.com/google/snappy/archive/${pkgver}/${_realname}-${pkgver}.tar.gz"
         "0001-cmake-add-pkgconfig.patch"
         "0002-remove-Werror-flag.patch"
-        "snappy.pc.in")
+        "snappy.pc.in"
+        "cmake-dual-libs.patch")
 sha256sums=('90f74bc1fbf78a6c56b3c4a082a05103b3a56bb17bca1a27e052ea11723292dc'
             '2a204d7d35509ffc290d80c641fcb7e8488c67ca550aa1695493cff12c53156b'
             'a687b1a6e07e508bf43b0cce8059c1ddba74195b4b7b822643a0d06d3083c46d'
-            '134f06ca0584a1026538d0fb972fc141c008390ecae1806184b721eca1abbc75')
+            '134f06ca0584a1026538d0fb972fc141c008390ecae1806184b721eca1abbc75'
+            '37caf9737f58cdce95cdeb2c2c69a4292211750efe366a5fa4b3b61c5cb6e035')
 
 prepare() {
   cd "${_realname}-${pkgver}"
@@ -38,6 +40,7 @@ prepare() {
   patch -p1 -i "${srcdir}/0001-cmake-add-pkgconfig.patch"
 
   patch -p1 -i "${srcdir}/0002-remove-Werror-flag.patch"
+  patch -p1 -i "${srcdir}/cmake-dual-libs.patch"
 }
 
 build() {

mingw-w64-snappy/cmake-dual-libs.patch

@@ -0,0 +1,91 @@
+diff -Naur snappy-1.2.2-orig/CMakeLists.txt snappy-1.2.2/CMakeLists.txt
+--- snappy-1.2.2-orig/CMakeLists.txt	2025-05-25 21:38:20.499819700 +0300
++++ snappy-1.2.2/CMakeLists.txt	2025-05-25 21:44:48.317029200 +0300
+@@ -251,6 +251,11 @@
+   "snappy-stubs-public.h.in"
+   "${PROJECT_BINARY_DIR}/snappy-stubs-public.h")
+ 
++if (BUILD_SHARED_LIBS)
++  set (target_suffix "shared")
++else ()
++  set (target_suffix "static")
++endif ()
+ add_library(snappy "")
+ target_sources(snappy
+   PRIVATE
+@@ -432,6 +437,7 @@
+     EXPORT SnappyTargets
+     NAMESPACE Snappy::
+     DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
++    FILE ${PROJECT_NAME}-${target_suffix}-targets.cmake
+   )
+   install(
+     FILES
+diff -Naur snappy-1.2.2-orig/cmake/SnappyConfig.cmake.in snappy-1.2.2/cmake/SnappyConfig.cmake.in
+--- snappy-1.2.2-orig/cmake/SnappyConfig.cmake.in	2025-03-26 18:19:22.000000000 +0300
++++ snappy-1.2.2/cmake/SnappyConfig.cmake.in	2025-05-25 21:42:10.246765400 +0300
+@@ -28,6 +28,61 @@
+ 
+ @PACKAGE_INIT@
+ 
+-include("${CMAKE_CURRENT_LIST_DIR}/SnappyTargets.cmake")
+-
++set(@PROJECT_NAME@_known_comps static shared)
++set(@PROJECT_NAME@_comp_static NO)
++set(@PROJECT_NAME@_comp_shared NO)
++foreach (@PROJECT_NAME@_comp IN LISTS ${CMAKE_FIND_PACKAGE_NAME}_FIND_COMPONENTS)
++    if (@PROJECT_NAME@_comp IN_LIST @PROJECT_NAME@_known_comps)
++        set(@PROJECT_NAME@_comp_${@PROJECT_NAME@_comp} YES)
++    else ()
++        set(${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE
++            "@PROJECT_NAME@ does not recognize component `${@PROJECT_NAME@_comp}`.")
++        set(${CMAKE_FIND_PACKAGE_NAME}_FOUND FALSE)
++        return()
++    endif ()
++endforeach ()
++
++if (@PROJECT_NAME@_comp_static AND @PROJECT_NAME@_comp_shared)
++    set(${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE
++        "@PROJECT_NAME@ `static` and `shared` components are mutually exclusive.")
++    set(${CMAKE_FIND_PACKAGE_NAME}_FOUND FALSE)
++    return()
++endif ()
++
++set(@PROJECT_NAME@_static_targets "${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@-static-targets.cmake")
++set(@PROJECT_NAME@_shared_targets "${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@-shared-targets.cmake")
++
++macro(@PROJECT_NAME@_load_targets type)
++    if (NOT EXISTS "${@PROJECT_NAME@_${type}_targets}")
++        set(${CMAKE_FIND_PACKAGE_NAME}_NOT_FOUND_MESSAGE
++            "@PROJECT_NAME@ `${type}` libraries were requested but not found.")
++        set(${CMAKE_FIND_PACKAGE_NAME}_FOUND FALSE)
++        return()
++    endif ()
++    include("${@PROJECT_NAME@_${type}_targets}")
++endmacro()
++
++if (@PROJECT_NAME@_comp_static)
++    @PROJECT_NAME@_load_targets(static)
++elseif (@PROJECT_NAME@_comp_shared)
++    @PROJECT_NAME@_load_targets(shared)
++elseif (DEFINED @PROJECT_NAME@_SHARED_LIBS AND @PROJECT_NAME@_SHARED_LIBS)
++    @PROJECT_NAME@_load_targets(shared)
++elseif (DEFINED @PROJECT_NAME@_SHARED_LIBS AND NOT @PROJECT_NAME@_SHARED_LIBS)
++    @PROJECT_NAME@_load_targets(static)
++elseif (BUILD_SHARED_LIBS)
++    if (EXISTS "${@PROJECT_NAME@_shared_targets}")
++        @PROJECT_NAME@_load_targets(shared)
++    else ()
++        @PROJECT_NAME@_load_targets(static)
++    endif ()
++else ()
++    if (EXISTS "${@PROJECT_NAME@_static_targets}")
++        @PROJECT_NAME@_load_targets(static)
++    else ()
++        @PROJECT_NAME@_load_targets(shared)
++    endif ()
++endif ()
++
++
+ check_required_components(Snappy)
+\ No newline at end of file