Add missing dependencies for gd and lmdb extensions

These now require libheif and liblmdb, respectively.
Add module files for the new dependencies and update the CMake
extension config for them.

Author: mszabo-wikia

CMake/FindLibheif.cmake

@@ -0,0 +1,23 @@
+if(LIBHEIF_FOUND)
+  set(LIBHEIF_FIND_QUIETLY TRUE)
+endif()
+
+find_path(LIBHEIF_INCLUDE_DIR
+  NAMES heif.h
+  PATH_SUFFIXES libheif
+  PATHS /usr/include /usr/local/include /usr/pkg/include
+)
+
+find_library(LIBHEIF_LIBRARY
+  NAMES heif
+  PATHS /lib /usr/lib /usr/local/lib /usr/pkg/lib
+)
+
+if(LIBHEIF_INCLUDE_DIR AND LIBHEIF_LIBRARY)
+  set(LIBHEIF_FOUND TRUE)
+endif()
+
+mark_as_advanced(
+  LIBHEIF_INCLUDE_DIR
+  LIBHEIF_LIBRARY
+)

CMake/FindLmdb.cmake

@@ -0,0 +1,17 @@
+if(LMDB_FOUND)
+  set(LMDB_FIND_QUIETLY TRUE)
+endif()
+
+find_path(LMDB_INCLUDE_DIR
+  NAMES lmdb.h
+  PATHS /usr/include /usr/local/include /usr/pkg/include
+)
+
+find_library(LMDB_LIBRARY
+  NAMES lmdb
+  PATHS /lib /usr/lib /usr/local/lib /usr/pkg/lib
+)
+
+if(LMDB_INCLUDE_DIR AND LMDB_LIBRARY)
+  set(LMDB_FOUND TRUE)
+endif()

CMake/HHVMExtensionConfig.cmake

@@ -780,6 +780,17 @@ function (HHVM_EXTENSION_INTERNAL_HANDLE_LIBRARY_DEPENDENCY extensionID dependen
       HHVM_EXTENSION_INTERNAL_ADD_LINK_LIBRARIES(${GMP_LIBRARY})
       HHVM_EXTENSION_INTERNAL_ADD_DEFINES("-DHAVE_LIBGMP")
     endif()
+  elseif (${libraryName} STREQUAL "heif")
+    find_package(Libheif ${requiredVersion} REQUIRED)
+    if (NOT LIBHEIF_INCLUDE_DIR OR NOT LIBHEIF_LIBRARY)
+      HHVM_EXTENSION_INTERNAL_SET_FAILED_DEPENDENCY(${extensionID} ${dependencyName})
+      return()
+    endif()
+
+    if (${addPaths})
+      HHVM_EXTENSION_INTERNAL_ADD_INCLUDE_DIRS(${LIBHEIF_INCLUDE_DIR})
+      HHVM_EXTENSION_INTERNAL_ADD_LINK_LIBRARIES(${LIBHEIF_LIBRARY})
+    endif()
   elseif (${libraryName} STREQUAL "iconv")
     find_package(Libiconv ${requiredVersion})
     if (NOT LIBICONV_INCLUDE_DIR)
@@ -863,6 +874,17 @@ function (HHVM_EXTENSION_INTERNAL_HANDLE_LIBRARY_DEPENDENCY extensionID dependen
       HHVM_EXTENSION_INTERNAL_ADD_LINK_LIBRARIES(${LDAP_LIBRARIES})
       HHVM_EXTENSION_INTERNAL_ADD_DEFINES("-DHAVE_LIBLDAP")
     endif()
+  elseif (${libraryName} STREQUAL "lmdb")
+    find_package(Lmdb ${requiredVersion} REQUIRED)
+    if (NOT LMDB_INCLUDE_DIR OR NOT LMDB_LIBRARY)
+      HHVM_EXTENSION_INTERNAL_SET_FAILED_DEPENDENCY(${extensionID} ${dependencyName})
+      return()
+    endif()
+
+    if (${addPaths})
+      HHVM_EXTENSION_INTERNAL_ADD_INCLUDE_DIRS(${LMDB_INCLUDE_DIR})
+      HHVM_EXTENSION_INTERNAL_ADD_LINK_LIBRARIES(${LMDB_LIBRARY})
+    endif()
   elseif (${libraryName} STREQUAL "magickwand")
     find_package(LibMagickWand ${requiredVersion})
     if (NOT LIBMAGICKWAND_INCLUDE_DIRS OR NOT LIBMAGICKWAND_LIBRARIES OR NOT LIBMAGICKCORE_LIBRARIES)