Makefile.am: use c11 instead of c99

c11 code is now used (static_assert) + use -D_POSIX_C_SOURCE=200809L
(needed for strtok_r + PATH_MAX - also included limits.h where used)

Author: MartinPulec

Makefile.am

@@ -48,7 +48,7 @@ libgpujpeg_DEP = @LIBGPUJPEG_CUDA_OBJS@
 
 libgpujpeg_LIB = $(libgpujpeg_DEP) -lm
 libgpujpeg_LD = -export-dynamic -version-info $(GPUJPEG_LIBRARY_VERSION) @GPUJPEG_LDFLAGS@ @GPUJPEG_LIBS@
-libgpujpeg_CFLAGS = -std=c99 -fPIC @COMMON_FLAGS@
+libgpujpeg_CFLAGS = -std=c11 -D_POSIX_C_SOURCE=200809L -fPIC @COMMON_FLAGS@
 libgpujpeg_CXXFLAGS = -fPIC @COMMON_FLAGS@
 #libgpujpeg_a_LINK = g++ -fPIC
 if STATIC

src/utils/image_delegate.c

@@ -34,6 +34,8 @@
 #ifdef _WIN32
 #include <windows.h>
 #define PATH_MAX MAX_PATH
+#else
+#include <limits.h>
 #endif
 
 #ifdef __linux__