[curl] Add feature idn2 (#14807)

Thanks for fixing phantom dependencies!

ports/curl/0012-fix-dependency-idn2.patch

@@ -0,0 +1,51 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index dc7223b..a661cb8 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -620,9 +620,6 @@ if(NOT CURL_DISABLE_LDAPS)
+   check_include_file_concat("ldapssl.h"  HAVE_LDAPSSL_H)
+ endif()
+ 
+-# Check for idn
+-check_library_exists_concat("idn2" idn2_lookup_ul HAVE_LIBIDN2)
+-
+ # Check for symbol dlopen (same as HAVE_LIBDL)
+ check_library_exists("${CURL_LIBS}" dlopen "" HAVE_DLOPEN)
+ 
+@@ -870,6 +867,20 @@ if(CURL_CA_PATH_SET AND NOT USE_OPENSSL AND NOT USE_MBEDTLS)
+           "Set CURL_CA_PATH=none or enable one of those TLS backends.")
+ endif()
+ 
++if (CMAKE_USE_IDN2)
++    include(FindPackageHandleStandardArgs)
++    include(SelectLibraryConfigurations)
++    
++    find_path(LIBIDN2_INCLUDE_DIRS idn2.h)
++    find_library(LIBIDN2_LIBRARY_DEBUG NAMES libidn2 idn2 PATHS ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/debug/lib NO_DEFAULT_PATH Release RelWithDebInfo MinSizeRel)
++    find_library(LIBIDN2_LIBRARY_RELEASE NAMES libidn2 idn2 PATHS ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/lib NO_DEFAULT_PATH Debug)
++    select_library_configurations(LIBIDN2)
++    
++    add_definitions(-DHAVE_IDN2_H -DHAVE_LIBIDN2)
++    include_directories(${LIBIDN2_INCLUDE_DIRS})
++    link_libraries(${LIBIDN2_LIBRARY})
++endif()
++
+ # Check for header files
+ if(NOT UNIX)
+   check_include_file_concat("windows.h"      HAVE_WINDOWS_H)
+@@ -906,7 +917,6 @@ check_include_file_concat("crypto.h"         HAVE_CRYPTO_H)
+ check_include_file_concat("err.h"            HAVE_ERR_H)
+ check_include_file_concat("errno.h"          HAVE_ERRNO_H)
+ check_include_file_concat("fcntl.h"          HAVE_FCNTL_H)
+-check_include_file_concat("idn2.h"           HAVE_IDN2_H)
+ check_include_file_concat("ifaddrs.h"        HAVE_IFADDRS_H)
+ check_include_file_concat("io.h"             HAVE_IO_H)
+ check_include_file_concat("krb.h"            HAVE_KRB_H)
+@@ -1362,7 +1372,6 @@ _add_if("libz"          HAVE_LIBZ)
+ _add_if("brotli"        HAVE_BROTLI)
+ _add_if("zstd"          HAVE_ZSTD)
+ _add_if("AsynchDNS"     USE_ARES OR USE_THREADS_POSIX OR USE_THREADS_WIN32)
+-_add_if("IDN"           HAVE_LIBIDN2)
+ _add_if("Largefile"     (CURL_SIZEOF_CURL_OFF_T GREATER 4) AND
+                         ((SIZEOF_OFF_T GREATER 4) OR USE_WIN32_LARGE_FILES))
+ # TODO SSP1 (Schannel) check is missing

ports/curl/CONTROL

@@ -1,4 +1,5 @@
 Source: curl
+Port-Version: 1
 Version: 7.74.0
 Build-Depends: zlib
 Homepage: https://github.com/curl/curl
@@ -51,4 +52,8 @@ Description: SSPI support
 
 Feature: brotli
 Build-Depends: brotli
-Description: brotli support (brotli)
+Description: brotli support (brotli)
+
+Feature: idn2
+Build-Depends: libidn2
+Description: idn2 support (libidn2)

ports/curl/portfile.cmake

@@ -13,6 +13,7 @@ vcpkg_from_github(
         0009_fix_openssl_config.patch
         0010_fix_othertests_cmake.patch
         0011_fix_static_build.patch
+        0012-fix-dependency-idn2.patch
 )
 
 string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static" CURL_STATICLIB)
@@ -41,6 +42,7 @@ vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
     brotli      CURL_BROTLI
     schannel    CMAKE_USE_SCHANNEL
     sectransp   CMAKE_USE_SECTRANSP
+    idn2        CMAKE_USE_IDN2
     
     INVERTED_FEATURES
     non-http HTTP_ONLY
@@ -186,4 +188,4 @@ elseif(VCPKG_TARGET_IS_LINUX)
 endif()
 
 file(INSTALL ${CURRENT_PORT_DIR}/vcpkg-cmake-wrapper.cmake DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT})
-file(INSTALL ${SOURCE_PATH}/COPYING DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
+file(INSTALL ${SOURCE_PATH}/COPYING DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)