double-conversion: Implement cmake config to switch between shared/static link (#24408)

mingw-w64-double-conversion/PKGBUILD

@@ -4,7 +4,7 @@ _realname=double-conversion
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=3.3.1
-pkgrel=2
+pkgrel=3
 pkgdesc="Binary-decimal and decimal-binary routines for IEEE doubles (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
@@ -14,8 +14,18 @@ depends=("${MINGW_PACKAGE_PREFIX}-cc-libs")
 makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
              "${MINGW_PACKAGE_PREFIX}-cmake"
              "${MINGW_PACKAGE_PREFIX}-ninja")
-source=("https://github.com/google/double-conversion/archive/v${pkgver}/${_realname}-${pkgver}.tar.gz")
-sha256sums=('fe54901055c71302dcdc5c3ccbe265a6c191978f3761ce1414d0895d6b0ea90e')
+source=("https://github.com/google/double-conversion/archive/v${pkgver}/${_realname}-${pkgver}.tar.gz"
+        cmake-version.patch
+        cmake-dual-lib.patch)
+sha256sums=('fe54901055c71302dcdc5c3ccbe265a6c191978f3761ce1414d0895d6b0ea90e'
+            '677de958606a7884147525cd985d0b133c95eafaac580d0eed1fd84ff339eedf'
+            '66e1bf3216676dce9f5149e7a1b381e692653679e206f0e729fe5e9d158459a6')
+
+prepare() {
+  cd ${srcdir}/${_realname}-${pkgver}
+  patch -p1 -i ${srcdir}/cmake-version.patch
+  patch -p1 -i ${srcdir}/cmake-dual-lib.patch
+}
 
 build() {
   # shared
@@ -25,7 +35,6 @@ build() {
     ${MINGW_PREFIX}/bin/cmake \
       -G'Ninja' \
       -DCMAKE_INSTALL_PREFIX=${MINGW_PREFIX} \
-      -DCMAKE_POLICY_VERSION_MINIMUM=4.0 \
       -DCMAKE_BUILD_TYPE=Release \
       -DCMAKE_INSTALL_LIBDIR=lib \
       -DBUILD_SHARED_LIBS=ON \
@@ -40,7 +49,6 @@ build() {
     ${MINGW_PREFIX}/bin/cmake \
       -G'Ninja' \
       -DCMAKE_INSTALL_PREFIX=${MINGW_PREFIX} \
-      -DCMAKE_POLICY_VERSION_MINIMUM=4.0 \
       -DCMAKE_BUILD_TYPE=Release \
       -DCMAKE_INSTALL_LIBDIR=lib \
       -DBUILD_SHARED_LIBS=OFF \

mingw-w64-double-conversion/cmake-dual-lib.patch

@@ -0,0 +1,88 @@
+diff -Naur double-conversion-3.3.1-orig/CMakeLists.txt double-conversion-3.3.1/CMakeLists.txt
+--- double-conversion-3.3.1-orig/CMakeLists.txt	2025-02-14 13:03:13.000000000 +0300
++++ double-conversion-3.3.1/CMakeLists.txt	2025-05-23 21:15:21.673245400 +0300
+@@ -10,6 +10,12 @@
+   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /D_DEBUG /D_ITERATOR_DEBUG_LEVEL=2")
+ endif()
+ 
++if (BUILD_SHARED_LIBS)
++  set (target_suffix "shared")
++else ()
++  set (target_suffix "static")
++endif ()
++
+ set(headers
+     double-conversion/bignum.h
+     double-conversion/bignum-dtoa.h
+@@ -121,6 +128,7 @@
+     EXPORT "${targets_export_name}"
+     NAMESPACE "${namespace}"
+     DESTINATION "${config_install_dir}"
++    FILE double-conversion-${target_suffix}-targets.cmake
+ )
+ 
+ if (MSVC AND BUILD_SHARED_LIBS)
+diff -Naur double-conversion-3.3.1-orig/cmake/Config.cmake.in double-conversion-3.3.1/cmake/Config.cmake.in
+--- double-conversion-3.3.1-orig/cmake/Config.cmake.in	2025-02-14 13:03:13.000000000 +0300
++++ double-conversion-3.3.1/cmake/Config.cmake.in	2025-05-23 21:12:16.251588400 +0300
+@@ -1,4 +1,59 @@
+ @PACKAGE_INIT@
+ 
+-include("${CMAKE_CURRENT_LIST_DIR}/@targets_export_name@.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 "${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@-shared-targets.cmake")
++
++macro(prj_load_targets type)
++    if (NOT EXISTS "${@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)
++    prj_load_targets(static)
++elseif (@PROJECT_NAME@_comp_shared)
++    prj_load_targets(shared)
++elseif (DEFINED @PROJECT_NAME@_SHARED_LIBS AND @PROJECT_NAME@_SHARED_LIBS)
++    prj_load_targets(shared)
++elseif (DEFINED @PROJECT_NAME@_SHARED_LIBS AND NOT @PROJECT_NAME@_SHARED_LIBS)
++    prj_load_targets(static)
++elseif (BUILD_SHARED_LIBS)
++    if (EXISTS "${@PROJECT_NAME@_shared_targets}")
++        prj_load_targets(shared)
++    else ()
++        prj_load_targets(static)
++    endif ()
++else ()
++    if (EXISTS "${@PROJECT_NAME@_static_targets}")
++        prj_load_targets(static)
++    else ()
++        prj_load_targets(shared)
++    endif ()
++endif ()
++
+ check_required_components("@PROJECT_NAME@")

mingw-w64-double-conversion/cmake-version.patch

@@ -0,0 +1,9 @@
+diff -Naur double-conversion-3.3.1-orig/CMakeLists.txt double-conversion-3.3.1/CMakeLists.txt
+--- double-conversion-3.3.1-orig/CMakeLists.txt	2025-02-14 13:03:13.000000000 +0300
++++ double-conversion-3.3.1/CMakeLists.txt	2025-05-23 21:15:21.673245400 +0300
+@@ -1,4 +1,4 @@
+-cmake_minimum_required(VERSION 3.0)
++cmake_minimum_required(VERSION 3.15...4.0.1)
+ project(double-conversion VERSION 3.3.0)
+ 
+ option(BUILD_SHARED_LIBS "Build shared libraries (.dll/.so) instead of static ones (.lib/.a)" OFF)