do not check checksums in noack case

[openocd.git] / configure.in

diff --git a/configure.in b/configure.in
index eebbc37643c85d4a36a10cdf294e02289a4e091b..f3414f8ccded635c9869c11e58bd36786257770e 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1,10 +1,11 @@
 AC_PREREQ(2.59)
 AC_INIT(configure.in)
 
-AC_SEARCH_LIBS([ioperm], [ioperm])
-
 AC_CANONICAL_HOST
 
+AC_SEARCH_LIBS([ioperm], [ioperm])
+AC_SEARCH_LIBS([dlopen], [dl])
+
 AC_CHECK_HEADERS(jtag_minidriver.h)
 AC_CHECK_HEADERS(sys/param.h)
 AC_CHECK_HEADERS(sys/time.h)
@@ -19,6 +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
@@ -26,6 +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])
@@ -290,6 +296,55 @@ 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)