Support compiling without posix_memalign() function

Add NO_POSIX_MEMALIGN option in Makefile.libretro to support platform
that don't provide the posix_memalign() function.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>

diff --git a/Makefile b/Makefile
index cf2ea88..c95f422 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,8 @@ CFLAGS += -O2 -DNDEBUG
 endif
 endif
 CFLAGS += -DHAVE_MMAP=$(if $(NO_MMAP),0,1) \
-         -DHAVE_PTHREAD=$(if $(NO_PTHREAD),0,1)
+         -DHAVE_PTHREAD=$(if $(NO_PTHREAD),0,1) \
+         -DHAVE_POSIX_MEMALIGN=$(if $(NO_POSIX_MEMALIGN),0,1)
 CXXFLAGS += $(CFLAGS)
 #DRC_DBG = 1
 #PCNT = 1

diff --git a/Makefile.libretro b/Makefile.libretro
index 9f19638..42843bc 100644 (file)
--- a/Makefile.libretro
+++ b/Makefile.libretro
@@ -210,6 +210,7 @@ else ifeq ($(platform), libnx)
    CFLAGS += -DARM -D__aarch64__=1 -march=armv8-a -mtune=cortex-a57 -mtp=soft -DHAVE_INTTYPES -DLSB_FIRST -ffast-math -mcpu=cortex-a57+crc+fp+simd -ffunction-sections
    CFLAGS += -ftree-vectorize
    CFLAGS += -Ifrontend/switch -ftree-vectorize
+   NO_POSIX_MEMALIGN := 1
    NO_PTHREAD=1
    LIBPTHREAD :=
    STATIC_LINKING=1
@@ -265,6 +266,7 @@ else ifeq ($(platform), vita)
        ARCH = arm
        STATIC_LINKING = 1
        NO_PTHREAD=1
+       NO_POSIX_MEMALIGN := 1
 
 # CTR(3DS)
 else ifeq ($(platform), ctr)
@@ -289,6 +291,7 @@ else ifeq ($(platform), ctr)
        ARCH = arm
        HAVE_NEON = 0
        STATIC_LINKING = 1
+       NO_POSIX_MEMALIGN := 1
 
 # Xbox 360
 else ifeq ($(platform), xenon)

diff --git a/frontend/libretro.c b/frontend/libretro.c
index 177b150..329c5bc 100644 (file)
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -3039,7 +3039,7 @@ void retro_init(void)
 
 #ifdef _3DS
    vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
-#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
+#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && HAVE_POSIX_MEMALIGN
    if (posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2) != 0)
       vout_buf = (void *) 0;
 #else