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Make the CURL dependency optional, through the PLANETBLUPI_HTTP_VERSION_CHECK CMake option

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This commit is contained in:
Didier Raboud 2017-10-20 16:04:46 +02:00
parent a64b03c1da
commit 6134edc96e
2 changed files with 32 additions and 4 deletions
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26
CMakeLists.txt
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@ -18,6 +18,8 @@ set (PB_PRODUCT_NAME "Planet Blupi")
set (PB_PACKAGE_NAME "planetblupi")
set (PB_DESCRIPTION "Planet Blupi - A delerious spell-binding game")
option(PLANETBLUPI_HTTP_VERSION_CHECK "Run a version check over HTTP (with CURL)" OFF)
configure_file (
"${PROJECT_SOURCE_DIR}/src/config.h.in"
"${PROJECT_BINARY_DIR}/include/config.h"
@ -115,7 +117,10 @@ find_package (PkgConfig REQUIRED)
pkg_search_module (SDL2 REQUIRED sdl2)
pkg_search_module (SDL2_MIXER REQUIRED SDL2_mixer)
pkg_search_module (SDL2_IMAGE REQUIRED SDL2_image)
pkg_search_module (CURL REQUIRED libcurl)
if(${PLANETBLUPI_HTTP_VERSION_CHECK})
pkg_search_module (CURL REQUIRED libcurl)
add_definitions(-DUSE_CURL)
endif()
if ("${STATIC_BUILD}")
pkg_search_module (PNG REQUIRED libpng)
@ -131,7 +136,9 @@ if ("${STATIC_BUILD}")
pkg_search_module (PULSE REQUIRED libpulse)
endif ()
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DCURL_STATICLIB")
if(${PLANETBLUPI_HTTP_VERSION_CHECK})
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DCURL_STATICLIB")
endif ()
endif ()
###########################
@ -147,7 +154,6 @@ if ("${STATIC_BUILD}")
${SDL2_STATIC_LIBRARIES}
${SDL2_MIXER_STATIC_LIBRARIES}
${SDL2_IMAGE_STATIC_LIBRARIES}
${CURL_STATIC_LIBRARIES}
${SDLKitchensink_STATIC_LIBRARIES}
${PNG_STATIC_LIBRARIES}
${AVCODEC_STATIC_LIBRARIES}
@ -157,6 +163,13 @@ if ("${STATIC_BUILD}")
${SWRESAMPLE_STATIC_LIBRARIES}
)
if(${PLANETBLUPI_HTTP_VERSION_CHECK})
set (planetblupi_DEPS
${planetblupi_DEPS}
${CURL_STATIC_LIBRARIES}
)
endif ()
if (UNIX AND NOT APPLE)
list (APPEND planetblupi_DEPS
${ALSA_STATIC_LIBRARIES}
@ -173,6 +186,13 @@ else ()
${SDLKitchensink_LIBRARIES}
pthread
)
if(${PLANETBLUPI_HTTP_VERSION_CHECK})
set (planetblupi_DEPS
${planetblupi_DEPS}
${CURL_LIBRARIES}
)
endif ()
endif ()
target_link_libraries (planetblupi PUBLIC ${planetblupi_DEPS})

10
src/blupi.cxx
View File

@ -30,7 +30,9 @@
#include <SDL2/SDL_image.h>
#include <argagg/argagg.hpp>
#include <curl/curl.h>
#ifdef USE_CURL
#include <curl/curl.h>
#endif
#include "json/json.hpp"
@ -81,11 +83,13 @@ bool g_bTermInit = false; // initialisation en cours
Uint32 g_lastPhase = 999;
static bool g_pause;
#ifdef USE_CURL
struct url_data {
CURLcode status;
char * buffer;
size_t size;
};
#endif
template <typename Out>
static void
@ -462,6 +466,7 @@ static size_t
updateCallback (void * ptr, size_t size, size_t nmemb, void * data)
{
size_t realsize = size * nmemb;
#ifdef USE_CURL
url_data * mem = static_cast<url_data *> (data);
mem->buffer =
@ -472,6 +477,7 @@ updateCallback (void * ptr, size_t size, size_t nmemb, void * data)
mem->size += realsize;
mem->buffer[mem->size] = 0;
}
#endif
return realsize;
}
@ -479,6 +485,7 @@ updateCallback (void * ptr, size_t size, size_t nmemb, void * data)
static void
CheckForUpdates ()
{
#ifdef USE_CURL
url_data chunk;
chunk.buffer = nullptr; /* we expect realloc(NULL, size) to work */
@ -515,6 +522,7 @@ CheckForUpdates ()
free (chunk.buffer);
curl_easy_cleanup (curl);
#endif
}
static int