X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=configure.ac;h=05d4913bc00b9da604036713bc6aa9a4f0323ffe;hp=de344335805eaa8db5ea1750369504bfa4c63f20;hb=db4cd8b3838d27bebdeb6a085a739a36f7634a91;hpb=7f6cbfac7c1965add91ebfc28ca3eac4561b4fb6

diff --git a/configure.ac b/configure.ac
index de344335..05d4913b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -242,22 +242,35 @@ AC_SUBST(ARM_CC)
 if test "x$HAVE_ARM_CC" = "xyes"; then
 	save_CC="$CC"
 	save_CFLAGS="$CFLAGS"
+	save_LIBS="$LIBS"
 	CC="$ARM_CC"
 	CFLAGS="-mthumb -mcpu=cortex-m0"
+	LIBS="-ffreestanding -nostdlib"
 	AC_LANG_PUSH([C])
 
 	AC_MSG_CHECKING([if ]$ARM_CC[ supports cortex-m0])
 	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([int i;])],
 			  [HAVE_ARM_M0_CC=yes],
 			  [HAVE_ARM_M0_CC=no])
-        AC_MSG_RESULT([$HAVE_ARM_M0])
+        AC_MSG_RESULT([$HAVE_ARM_M0_CC])
+
+	AC_CHECK_LIB(pdclib-cortex-m0,memcpy,
+		     [],
+		     [HAVE_ARM_M0_CC=no])
+
 	CFLAGS="-mthumb -mcpu=cortex-m3"
 	AC_MSG_CHECKING([if ]$ARM_CC[ supports cortex-m3])
 	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([int i;])],
 			  [HAVE_ARM_M3_CC=yes],
 			  [HAVE_ARM_M3_CC=no])
-        AC_MSG_RESULT([$HAVE_ARM_M3])
+        AC_MSG_RESULT([$HAVE_ARM_M3_CC])
+
+	AC_CHECK_LIB(pdclib-cortex-m3,memcpy,
+		     [],
+		     [HAVE_ARM_M3_CC=no])
+
 	AC_LANG_POP([C])
+	LIBS="$save_LIBS"
 	CFLAGS="$save_CFLAGS"
 	CC="$save_CC"
 else
@@ -317,8 +330,30 @@ if test "x$HAVE_AVR_CC" = "xno" -o "x$HAVE_AVR_OBJCOPY" = "xno"; then
 	AC_MSG_WARN([AVR compiler and objcopy not found, atmel binaries will not be built])
 	HAVE_AVR_CC=no
 else
-	AVR_CC=$with_avr_cc
-	AVR_OBJCOPY=$with_avr_objcopy
+	save_CC="$CC"
+	save_CFLAGS="$CFLAGS"
+	save_LIBS="$LIBS"
+
+	CC="$with_avr_cc"
+	CFLAGS="-mmcu=attiny85"
+	AC_LANG_PUSH([C])
+	AC_MSG_CHECKING([if ]$with_avr_cc[ can link programs])
+	AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
+			  [AVR_LINK=yes],
+			  [AVR_LINK=no])
+        AC_MSG_RESULT([$AVR_LINK])
+	AC_LANG_POP([C])
+
+	LIBS="$save_LIBS"
+	CFLAGS="$save_CFLAGS"
+	CC="$save_CC"
+
+	if test "x$AVR_LINK" = xyes; then
+		AVR_CC=$with_avr_cc
+		AVR_OBJCOPY=$with_avr_objcopy
+	else
+		HAVE_AVR_CC=no;
+	fi
 fi
 
 AC_SUBST(AVR_CC)