curl-cmake.sh: apply upstream PR and adapt build config [ci skip]

Sync up OS target selection settings with autotools and m32.

Ref: curl/curl#9046

curl-cmake.sh

@@ -103,12 +103,10 @@ _VER="$1"
     export CURL_LDFLAG_EXTRAS_EXE
     export CURL_LDFLAG_EXTRAS_DLL
     if [ "${_CPU}" = 'x86' ]; then
-      options="${options} -DCURL_TARGET_WINDOWS_VERSION=0x0501"  # For Windows XP compatibility
-      _CFLAGS="${_CFLAGS} -DHAVE_ATOMIC"
+      _CFLAGS="${_CFLAGS} -D_WIN32_WINNT=0x0501 -DHAVE_ATOMIC"  # For Windows XP compatibility
       CURL_LDFLAG_EXTRAS_EXE='-Wl,--pic-executable,-e,_mainCRTStartup'
       CURL_LDFLAG_EXTRAS_DLL=''
     else
-      options="${options} -DCURL_TARGET_WINDOWS_VERSION=0x0600"
       CURL_LDFLAG_EXTRAS_EXE='-Wl,--pic-executable,-e,mainCRTStartup'
       CURL_LDFLAG_EXTRAS_DLL='-Wl,--image-base,0x150000000'
       CURL_LDFLAG_EXTRAS="${CURL_LDFLAG_EXTRAS} -Wl,--high-entropy-va"

curl.patch

@@ -0,0 +1,25 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 45d763d5a9c1d..4df2393063dd1 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -78,20 +78,11 @@ option(BUILD_SHARED_LIBS "Build shared libraries" ON)
+ option(ENABLE_ARES "Set to ON to enable c-ares support" OFF)
+ if(WIN32)
+   option(CURL_STATIC_CRT "Set to ON to build libcurl with static CRT on Windows (/MT)." OFF)
+-  option(ENABLE_INET_PTON "Set to OFF to prevent usage of inet_pton when building against modern SDKs while still requiring compatibility with older Windows versions, such as Windows XP, Windows Server 2003 etc." ON)
+   option(ENABLE_UNICODE "Set to ON to use the Unicode version of the Windows API functions" OFF)
+   set(CURL_TARGET_WINDOWS_VERSION "" CACHE STRING "Minimum target Windows version as hex string")
+   if(CURL_TARGET_WINDOWS_VERSION)
+     add_definitions(-D_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION})
+     set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -D_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION}")
+-  elseif(ENABLE_INET_PTON)
+-    # _WIN32_WINNT_VISTA (0x0600)
+-    add_definitions(-D_WIN32_WINNT=0x0600)
+-    set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -D_WIN32_WINNT=0x0600")
+-  else()
+-    # _WIN32_WINNT_WINXP (0x0501)
+-    add_definitions(-D_WIN32_WINNT=0x0501)
+-    set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -D_WIN32_WINNT=0x0501")
+   endif()
+   if(ENABLE_UNICODE)
+     add_definitions(-DUNICODE -D_UNICODE)

curl.test.patch

@@ -0,0 +1 @@
+curl.patch