build: use ifdef instead of `if for various defines

Change-Id: I386bd1adddf403ff450e5d22688337b7d6d7c1f6

compat/msvc/config.h

@@ -89,7 +89,7 @@ systems. This function is required for `alloca.c' support on those systems.
 #define HAVE_PULSE 0
 
 /* Define if you have shared memory support */
-#define HAVE_SHM 0
+#undef ENABLE_SHM
 
 /* Define if you have libspeex */
 #define HAVE_SPEEX 0

configure.ac

@@ -620,10 +620,8 @@ AM_CONDITIONAL([BUILD_NATPMP], test "x$with_natpmp" = "xyes")
 
 # SHM
 dnl check for shm
-
-AC_DEFINE_UNQUOTED([HAVE_SHM],
-  `if test "x$with_dbus" == xyes; then echo 1; else echo 0; fi`,
-  [Define if you have shared memory support])
+AS_IF([test "x$with_dbus" == xyes],
+  AC_DEFINE([ENABLE_SHM], [1], [Define if you have shared memory support]))
 
 # LTTNG
 AM_COND_IF([ENABLE_TRACEPOINTS],

meson.build

@@ -156,8 +156,7 @@ else
 endif
 
 conf.set10('HAVE_COREAUDIO', host_machine.system() == 'darwin')
-conf.set10('HAVE_SHM', get_option('interfaces').contains('dbus'))
-
+conf.set('ENABLE_SHM', get_option('interfaces').contains('dbus'))
 configure_file(
     output: 'config.h',
     configuration: conf

src/client/videomanager.cpp

@@ -535,7 +535,7 @@ registerSinkTarget(const std::string& sinkId, SinkTarget target)
     return false;
 }
 
-#if HAVE_SHM
+#ifdef ENABLE_SHM
 void
 startShmSink(const std::string& sinkId, bool value)
 {

src/jami/plugin_manager_interface.h

@@ -29,7 +29,7 @@
 #include <map>
 #include <list>
 
-#if __APPLE__
+#ifdef __APPLE__
 #import "TargetConditionals.h"
 #endif
 

src/jami/videomanager_interface.h

@@ -43,7 +43,7 @@ void av_frame_free(AVFrame** frame);
 #include <cstdint>
 #include <cstdlib>
 
-#if __APPLE__
+#ifdef __APPLE__
 #import "TargetConditionals.h"
 #endif
 
@@ -195,7 +195,7 @@ DRING_PUBLIC bool playerSeekToTime(const std::string& id, int time);
 int64_t getPlayerPosition(const std::string& id);
 
 DRING_PUBLIC bool registerSinkTarget(const std::string& sinkId, SinkTarget target);
-#if HAVE_SHM
+#ifdef ENABLE_SHM
 DRING_PUBLIC void startShmSink(const std::string& sinkId, bool value);
 #endif
 DRING_PUBLIC std::map<std::string, std::string> getRenderer(const std::string& callId);
@@ -252,7 +252,7 @@ struct DRING_PUBLIC VideoSignal
                              const std::string& /*shm_path*/,
                              bool /*is_mixer*/);
     };
-#if __ANDROID__
+#ifdef __ANDROID__
     struct DRING_PUBLIC SetParameters
     {
         constexpr static const char* name = "SetParameters";

src/media/video/sinkclient.cpp

@@ -26,9 +26,9 @@
 
 #include "sinkclient.h"
 
-#if HAVE_SHM
+#ifdef ENABLE_SHM
 #include "shm_header.h"
-#endif // HAVE_SHM
+#endif // ENABLE_SHM
 
 #include "media_buffer.h"
 #include "logger.h"
@@ -63,7 +63,7 @@ namespace video {
 
 const constexpr char FILTER_INPUT_NAME[] = "in";
 
-#if HAVE_SHM
+#ifdef ENABLE_SHM
 // RAII class helper on sem_wait/sem_post sempahore operations
 class SemGuardLock
 {
@@ -300,7 +300,7 @@ SinkClient::stop() noexcept
     return true;
 }
 
-#else // HAVE_SHM
+#else // ENABLE_SHM
 
 std::string
 SinkClient::openedName() const noexcept
@@ -322,7 +322,7 @@ SinkClient::stop() noexcept
     return true;
 }
 
-#endif // !HAVE_SHM
+#endif // !ENABLE_SHM
 
 SinkClient::SinkClient(const std::string& id, bool mixer)
     : id_ {id}
@@ -439,7 +439,7 @@ SinkClient::update(Observable<std::shared_ptr<MediaFrame>>* /*obs*/,
     }
 
     bool doTransfer = hasTransformedListener or hasObservers;
-#if HAVE_SHM
+#ifdef ENABLE_SHM
     doTransfer |= (shm_ && doShmTransfer_);
 #endif
 
@@ -455,7 +455,7 @@ SinkClient::update(Observable<std::shared_ptr<MediaFrame>>* /*obs*/,
             setFrameSize(frame->width(), frame->height());
             return;
         }
-#if HAVE_SHM
+#ifdef ENABLE_SHM
         if (shm_ && doShmTransfer_)
             shm_->renderFrame(*frame);
 #endif

src/media/video/sinkclient.h

@@ -42,9 +42,9 @@ class MediaFilter;
 namespace jami {
 namespace video {
 
-#if HAVE_SHM
+#ifdef ENABLE_SHM
 class ShmHolder;
-#endif // HAVE_SHM
+#endif // ENABLE_SHM
 
 class VideoScaler;
 
@@ -82,7 +82,7 @@ public:
         target_ = std::move(target);
     }
 
-#if HAVE_SHM
+#ifdef ENABLE_SHM
     void enableShm(bool value) { doShmTransfer_.store(value); }
 #endif
 
@@ -122,11 +122,11 @@ private:
     std::chrono::steady_clock::time_point lastFrameDebug_;
 #endif
 
-#if HAVE_SHM
+#ifdef ENABLE_SHM
     // using shared_ptr and not unique_ptr as ShmHolder is forwared only
     std::shared_ptr<ShmHolder> shm_;
     std::atomic_bool doShmTransfer_ {false};
-#endif // HAVE_SHM
+#endif // ENABLE_SHM
 };
 
 } // namespace video