fix more embedded Linux build configs

build/config/BeagleBoard

@@ -38,7 +38,7 @@ SHAREDLIBLINKEXT = .so
 #
 # Compiler and Linker Flags
 #
-CFLAGS          = -mfpu=neon -mfloat-abi=softfp -march=armv7-a
+CFLAGS          = -std=c99 -mfpu=neon -mfloat-abi=softfp -march=armv7-a
 CFLAGS32        =
 CFLAGS64        =
 CXXFLAGS        = -mfpu=neon -mfloat-abi=softfp -march=armv7-a

build/config/ELDK

@@ -38,10 +38,10 @@ SHAREDLIBLINKEXT = .so
 #
 # Compiler and Linker Flags
 #
-CFLAGS          = -Isrc
+CFLAGS          = -std=c99 -Isrc
 CFLAGS32        =
 CFLAGS64        =
-CXXFLAGS        = 
+CXXFLAGS        =
 CXXFLAGS32      =
 CXXFLAGS64      =
 LINKFLAGS       =
@@ -50,7 +50,7 @@ LINKFLAGS64     =
 STATICOPT_CC    =
 STATICOPT_CXX   =
 STATICOPT_LINK  = -static
-SHAREDOPT_CC    = -fPIC 
+SHAREDOPT_CC    = -fPIC
 SHAREDOPT_CXX   = -fPIC
 SHAREDOPT_LINK  = -Wl,-rpath,$(LIBPATH)
 DEBUGOPT_CC     = -g -D_DEBUG

build/config/PPC-Linux

@@ -38,7 +38,7 @@ SHAREDLIBLINKEXT = .so
 #
 # Compiler and Linker Flags
 #
-CFLAGS          = -Isrc
+CFLAGS          = -std=c99 -Isrc
 CFLAGS32        =
 CFLAGS64        =
 CXXFLAGS        =