libressl: add version 4.0.0

cmake/CMakeLists.txt

@@ -264,6 +264,10 @@ declare_project(thirdparty/libk2pdfopt DEPENDS leptonica libpng tesseract zlib)
 # libpng
 declare_project(thirdparty/libpng DEPENDS zlib EXCLUDE_FROM_ALL)
 
+# libressl
+# NOTE: `EXCLUDE_FROM_ALL` is not used because `ffi/crypto` needs `libcrypto`.
+declare_project(thirdparty/libressl)
+
 # libunibreak
 declare_project(thirdparty/libunibreak EXCLUDE_FROM_ALL)
 

thirdparty/cmake_modules/koreader_thirdparty_libs.cmake

@@ -101,6 +101,20 @@ declare_dependency(libk2pdfopt::k2pdfopt INCLUDES k2pdfopt leptonica MONOLIBTIC
 # libpng
 declare_dependency(libpng::png16 MONOLIBTIC png16)
 
+# libressl
+set(CRYPTO_LIBS)
+set(SSL_LIBS)
+if(MONOLIBTIC)
+    list(APPEND CRYPTO_LIBS pthread)
+    list(APPEND SSL_LIBS pthread)
+    if(NOT ANDROID)
+        list(APPEND CRYPTO_LIBS rt)
+        list(APPEND SSL_LIBS rt)
+    endif()
+endif()
+declare_dependency(libressl::crypto MONOLIBTIC crypto LIBRARIES ${CRYPTO_LIBS})
+declare_dependency(libressl::ssl MONOLIBTIC ssl LIBRARIES ${SSL_LIBS})
+
 # libunibreak
 declare_dependency(libunibreak::unibreak MONOLIBTIC unibreak)
 

thirdparty/libressl/CMakeLists.txt

@@ -0,0 +1,30 @@
+list(APPEND PATCH_FILES
+    cmake_tweaks.patch
+)
+
+list(APPEND CMAKE_ARGS
+    -DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}
+    -DBUILD_SHARED_LIBS=$<NOT:$<BOOL:${MONOLIBTIC}>>
+    # Project options.
+    -DLIBRESSL_APPS=OFF
+    -DLIBRESSL_TESTS=OFF
+    -DENABLE_ASM=${WANT_SIMD}
+)
+
+list(APPEND BUILD_CMD COMMAND ninja)
+
+list(APPEND INSTALL_CMD COMMAND ${CMAKE_COMMAND} --install .)
+
+if(NOT MONOLIBTIC)
+    append_shared_lib_install_commands(INSTALL_CMD crypto VERSION 55)
+    append_shared_lib_install_commands(INSTALL_CMD ssl VERSION 58)
+endif()
+
+external_project(
+    DOWNLOAD URL 4775b6b187a93c527eeb95a13e6ebd64
+    https://cdn.openbsd.org/pub/OpenBSD/LibreSSL/libressl-4.0.0.tar.gz
+    PATCH_FILES ${PATCH_FILES}
+    CMAKE_ARGS ${CMAKE_ARGS}
+    BUILD_COMMAND ${BUILD_CMD}
+    INSTALL_COMMAND ${INSTALL_CMD}
+)

thirdparty/libressl/cmake_tweaks.patch

@@ -0,0 +1,19 @@
+--- i/CMakeLists.txt
++++ w/CMakeLists.txt
+@@ -1,4 +1,4 @@
+-cmake_minimum_required (VERSION 3.16.4)
++cmake_minimum_required (VERSION 3.16.3)
+ if(MSVC)
+ 	cmake_policy(SET CMP0091 NEW)
+ endif()
+@@ -516,8 +516,8 @@
+ 		# Create pkgconfig files.
+ 		set(prefix      ${CMAKE_INSTALL_PREFIX})
+ 		set(exec_prefix \${prefix})
+-		set(libdir      \${exec_prefix}/${CMAKE_INSTALL_LIBDIR})
+-		set(includedir  \${prefix}/${CMAKE_INSTALL_INCLUDEDIR})
++		set(libdir      \${exec_prefix}/lib)
++		set(includedir  \${prefix}/include)
+ 		if(PLATFORM_LIBS)
+ 			string(REGEX REPLACE ";" " -l" PLATFORM_LDADD ";${PLATFORM_LIBS}")
+ 		endif()