add embedded curl

.travis.yml

@@ -20,14 +20,13 @@ matrix:
     - os: osx
       osx_image: xcode10
       compiler: clang
-      addons: { homebrew: { packages: ["lcov"] } }
       after_success: ./scripts/upload_coverage.sh
 before_install:
   - eval "${MATRIX_EVAL}"
   - if [ "$TRAVIS_OS_NAME" == 'osx' ]; then
     brew update;
     brew upgrade cmake;
-    brew install git-lfs;
+    brew install lcov git-lfs;
     fi
   - if [ "$TRAVIS_OS_NAME" == 'linux' ]; then
     mkdir $HOME/cmake;

CMakeLists.txt

@@ -7,7 +7,11 @@ endif()
 
 project(curly.hpp)
 
-option(CURLY_USE_SYSTEM_CURL "Link with cURL from system paths" ON)
+option(CURLY_USE_SYSTEM_CURL "Build with cURL from system paths" OFF)
+option(CURLY_USE_EMBEDDED_CURL "Build with embedded cURL library" ON)
+
+# set(CURLY_USE_SYSTEM_CURL ON CACHE BOOL "" FORCE)
+# set(CURLY_USE_EMBEDDED_CURL ON CACHE BOOL "" FORCE)
 
 add_library(${PROJECT_NAME} STATIC
     headers/curly.hpp/curly.hpp
@@ -36,6 +40,46 @@ if(CURLY_USE_SYSTEM_CURL)
     target_include_directories(${PROJECT_NAME} PRIVATE ${CURL_INCLUDE_DIRS})
 endif()
 
+if(CURLY_USE_EMBEDDED_CURL)
+    include(FetchContent)
+    FetchContent_Declare(
+        embedded_curl
+        GIT_REPOSITORY https://github.com/curl/curl
+        GIT_TAG curl-7_65_1)
+
+    FetchContent_GetProperties(embedded_curl)
+    if(NOT embedded_curl_POPULATED)
+        FetchContent_Populate(embedded_curl)
+    endif()
+
+    set(HTTP_ONLY ON CACHE BOOL "" FORCE)
+    set(BUILD_TESTING OFF CACHE BOOL "" FORCE)
+    set(BUILD_CURL_EXE OFF CACHE BOOL "" FORCE)
+    set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)
+
+    if(WIN32)
+        set(CMAKE_USE_WINSSL ON CACHE BOOL "" FORCE)
+        set(CURL_CA_PATH "none" CACHE STRING "" FORCE)
+        set(CURL_CA_BUNDLE "none" CACHE STRING "" FORCE)
+    endif()
+
+    if(APPLE)
+        set(CMAKE_USE_SECTRANSP ON CACHE BOOL "" FORCE)
+        set(CURL_CA_PATH "none" CACHE STRING "" FORCE)
+        set(CURL_CA_BUNDLE "none" CACHE STRING "" FORCE)
+    endif()
+
+    if(UNIX AND NOT APPLE)
+        set(CMAKE_USE_OPENSSL ON CACHE BOOL "" FORCE)
+        set(CURL_CA_PATH "auto" CACHE STRING "" FORCE)
+        set(CURL_CA_BUNDLE "auto" CACHE STRING "" FORCE)
+    endif()
+
+    add_subdirectory(${embedded_curl_SOURCE_DIR} ${embedded_curl_BINARY_DIR})
+    target_link_libraries(${PROJECT_NAME} PUBLIC libcurl)
+    target_include_directories(${PROJECT_NAME} PRIVATE ${CURL_SOURCE_DIR}/include)
+endif()
+
 if(BUILD_AS_STANDALONE)
     option(BUILD_WITH_UNTESTS "Build with unit tests" ON)
     if(BUILD_WITH_UNTESTS)

sources/curly.cpp

@@ -15,6 +15,14 @@
 #include <functional>
 #include <condition_variable>
 
+#ifndef NOMINMAX
+#  define NOMINMAX
+#endif
+
+#ifndef WIN32_LEAN_AND_MEAN
+#  define WIN32_LEAN_AND_MEAN
+#endif
+
 #include <curl/curl.h>
 
 // -----------------------------------------------------------------------------

untests/CMakeLists.txt

@@ -3,8 +3,6 @@ cmake_minimum_required(VERSION 3.11 FATAL_ERROR)
 
 project(curly.hpp.untests)
 
-include(FetchContent)
-
 #
 # coverage
 #
@@ -39,6 +37,7 @@ add_test(${PROJECT_NAME} ${PROJECT_NAME})
 # catchorg/catch2
 #
 
+include(FetchContent)
 FetchContent_Declare(
     catchorg_catch2
     GIT_REPOSITORY https://github.com/catchorg/catch2)
@@ -54,6 +53,7 @@ endif()
 # tencent/rapidjson
 #
 
+include(FetchContent)
 FetchContent_Declare(
     tencent_rapidjson
     GIT_REPOSITORY https://github.com/tencent/rapidjson)