X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=configure.in;h=7ed61b25506a8809e982f0f810bfae592421a642;hb=270f9aa0213e34b490b551be86dd4a5217cf0c35;hp=343b52c624790ad9859b316ac95ba3805ea35706;hpb=71460ba9a59503bdf7780962b93143021d423958;p=openocd.git

diff --git a/configure.in b/configure.in
index 343b52c624..7ed61b2550 100644
--- a/configure.in
+++ b/configure.in
@@ -20,6 +20,7 @@ AC_CHECK_FUNCS(strndup)
 AC_CHECK_FUNCS(strnlen)
 AC_CHECK_FUNCS(gettimeofday)
 AC_CHECK_FUNCS(usleep)
+AC_CHECK_FUNCS(vasprintf)
 
 build_bitbang=no
 build_bitq=no
@@ -27,6 +28,10 @@ is_cygwin=no
 is_mingw=no
 is_win32=no
 
+AC_ARG_ENABLE(gccwarnings,
+	AS_HELP_STRING([--enable-gccwarnings], [Enable compiler warnings, default no]),
+	[gcc_warnings=$enableval], [gcc_warnings=no])
+
 AC_ARG_ENABLE(parport,
   AS_HELP_STRING([--enable-parport], [Enable building the pc parallel port driver]), 
   [build_parport=$enableval], [build_parport=no])
@@ -58,16 +63,16 @@ AC_ARG_ENABLE(amtjtagaccel,
   AS_HELP_STRING([--enable-amtjtagaccel], [Enable building the Amontec JTAG-Accelerator driver]), 
   [build_amtjtagaccel=$enableval], [build_amtjtagaccel=no])
 
+AC_ARG_ENABLE(ecosboard,
+  AS_HELP_STRING([--enable-ecosboard], [Enable building support for eCosBoard based JTAG debugger]), 
+  [build_ecosboard=$enableval], [build_ecosboard=no])
+
 case "${host_cpu}" in 
   arm*)
     AC_ARG_ENABLE(ep93xx,
       AS_HELP_STRING([--enable-ep93xx], [Enable building support for EP93xx based SBCs]), 
       [build_ep93xx=$enableval], [build_ep93xx=no])
 
-	AC_ARG_ENABLE(ecosboard,
-	  AS_HELP_STRING([--enable-ecosboard], [Enable building support for eCosBoard based JTAG debugger]), 
-	  [build_ecosboard=$enableval], [build_ecosboard=no])
-
     AC_ARG_ENABLE(at91rm9200,
       AS_HELP_STRING([--enable-at91rm9200], [Enable building support for AT91RM9200 based SBCs]),
       [build_at91rm9200=$enableval], [build_at91rm9200=no])
@@ -76,7 +81,6 @@ case "${host_cpu}" in
   *) 
     build_ep93xx=no
     build_at91rm9200=no
-	build_ecosboard=no
     ;;
 esac
 
@@ -291,6 +295,55 @@ AC_LANG_C
 AC_PROG_CC
 AC_PROG_RANLIB
 
+# set default gcc warnings
+GCC_WARNINGS="-Wall -Wstrict-prototypes"
+
+# overide default gcc cflags
+if test $gcc_warnings = yes; then
+	CFLAGS="$CFLAGS $GCC_WARNINGS"
+fi
+
+# Setup for compiling build tools
+AC_MSG_CHECKING([for a C compiler for build tools])
+if test $cross_compiling = yes; then
+	AC_CHECK_PROGS(CC_FOR_BUILD, gcc cc)
+	CFLAGS_FOR_BUILD="-g -O2 $GCC_WARNINGS"
+else
+	CC_FOR_BUILD=$CC
+	CFLAGS_FOR_BUILD=$CFLAGS
+fi
+
+AC_MSG_RESULT([$CC_FOR_BUILD])
+AC_SUBST(CC_FOR_BUILD)
+AC_SUBST(CFLAGS_FOR_BUILD)
+
+AC_MSG_CHECKING([for suffix of executable build tools])
+if test $cross_compiling = yes; then
+	cat >conftest.c <<\_______EOF
+int main ()
+{
+	exit (0);
+}
+_______EOF
+for i in .exe ""; do
+    compile="$CC_FOR_BUILD conftest.c -o conftest$i"
+    if AC_TRY_EVAL(compile); then
+		if (./conftest) 2>&AC_FD_CC; then
+			EXEEXT_FOR_BUILD=$i
+			break
+			fi
+		fi
+done
+	rm -f conftest*
+	if test "${EXEEXT_FOR_BUILD+set}" != set; then
+		AC_MSG_ERROR([Cannot determine suffix of executable build tools])
+	fi
+else
+	EXEEXT_FOR_BUILD=$EXEEXT
+fi
+AC_MSG_RESULT([$EXEEXT_FOR_BUILD])
+AC_SUBST(EXEEXT_FOR_BUILD)
+
 AC_SUBST(WITH_FTD2XX, $with_ftd2xx)
 
 AC_OUTPUT(Makefile src/Makefile src/helper/Makefile src/jtag/Makefile src/xsvf/Makefile src/target/Makefile src/server/Makefile src/flash/Makefile src/pld/Makefile doc/Makefile)