From dc910ceaeb2e07c0ab53959b0bc2a4784f1b4969 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=B8=A3=E8=88=9F?= <ray.dr@alibaba-inc.com>
Date: Tue, 26 Sep 2023 15:32:35 +0800
Subject: [PATCH] build overlaybd using static compiled libcurl 7.42.1
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Signed-off-by: 鸣舟 <ray.dr@alibaba-inc.com>
---
 CMake/FindCURL.cmake | 50 ++++++++++++++++++++++++++++++++++++++++++++
 CMakeLists.txt       |  2 +-
 2 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 CMake/FindCURL.cmake

diff --git a/CMake/FindCURL.cmake b/CMake/FindCURL.cmake
new file mode 100644
index 00000000..9b79ea58
--- /dev/null
+++ b/CMake/FindCURL.cmake
@@ -0,0 +1,50 @@
+include(FetchContent)
+
+if(${BUILD_CURL_FROM_SOURCE})
+    message("Add and build standalone libcurl")
+    include(FetchContent)
+    FetchContent_Declare(
+        curl_bundle
+        GIT_REPOSITORY https://github.com/curl/curl.git
+        GIT_TAG curl-7_42_1
+        GIT_PROGRESS 1)
+
+    FetchContent_MakeAvailable(curl_bundle)
+
+    # In libcurl, CMakeLists build static lib is broken add build command via
+    # make
+    if(NOT TARGET libcurl_static_build)
+        add_custom_command(
+            OUTPUT ${curl_bundle_BINARY_DIR}/lib/libcurl.a
+            WORKING_DIRECTORY ${curl_bundle_SOURCE_DIR}
+            COMMAND
+                autoreconf -i && sh configure --with-openssl --without-libssh2
+                --enable-static --enable-shared=no --enable-optimize
+                --enable-symbol-hiding --disable-manual --without-libidn
+                --prefix=${curl_bundle_BINARY_DIR} && make -j && make install)
+        add_custom_target(libcurl_static_build
+                          DEPENDS ${curl_bundle_BINARY_DIR}/lib/libcurl.a)
+    endif()
+
+    set(CURL_FOUND yes)
+    set(CURL_LIBRARY ${curl_bundle_BINARY_DIR}/lib/libcurl.a)
+    set(CURL_LIBRARIES ${CURL_LIBRARY})
+    set(CURL_INCLUDE_DIR ${curl_bundle_BINARY_DIR}/include)
+    set(CURL_INCLUDE_DIRS ${CURL_INCLUDE_DIR})
+    set(CURL_VERSION_STRING 7.42.1)
+
+    # Use libcurl static lib instead of cmake defined shared lib
+    if(NOT TARGET CURL::libcurl)
+        add_library(CURL::libcurl UNKNOWN IMPORTED)
+    endif()
+    add_dependencies(CURL::libcurl libcurl_static_build)
+    message("${CURL_LIBRARY}")
+    set_target_properties(
+        CURL::libcurl
+        PROPERTIES IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+                   INTERFACE_INCLUDE_DIRECTORIES "${CURL_INCLUDE_DIRS}"
+                   IMPORTED_LOCATION "${CURL_LIBRARY}"
+                   IMPORTED_LINK_DEPENDENT_LIBRARIES "crypto ssl")
+else()
+    include(${CMAKE_ROOT}/Modules/FindCURL.cmake)
+endif()
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 798f86ea..51fbac88 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,7 +39,7 @@ endif()
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED on)
 set(ENABLE_MIMIC_VDSO off)
-
+option(BUILD_CURL_FROM_SOURCE "Compile static libcurl" on)
 find_package(photon REQUIRED)
 find_package(tcmu REQUIRED)