Build: Fix typo that broke the driver enable options

[libsigrok.git] / autogen.sh

diff --git a/autogen.sh b/autogen.sh
index f683d318efbcf14d074abebd7ece39820a77ab57..d2205fe13c2d5dfd7e12b94d5600436df2388ed9 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -21,11 +21,9 @@
 OS=`uname`
 
 LIBTOOLIZE=libtoolize
-ACLOCAL_DIR=
 
 if [ "x$OS" = "xDarwin" ]; then
        LIBTOOLIZE=glibtoolize
-
        if [ -d /sw/share/aclocal ]; then
                # fink installs aclocal macros here
                ACLOCAL_DIR="-I /sw/share/aclocal"
@@ -39,21 +37,29 @@ if [ "x$OS" = "xDarwin" ]; then
                # Xcode installs aclocal macros here
                ACLOCAL_DIR="-I /usr/share/aclocal"
        fi
-
-elif [ "x$OS" = "xMINGW32_NT-5.1" ]; then
-       # Windows XP
-       ACLOCAL_DIR="-I /usr/local/share/aclocal"
-elif [ "x$OS" = "xMINGW32_NT-6.0" ]; then
-       # Windows Vista
-       ACLOCAL_DIR="-I /usr/local/share/aclocal"
-elif [ "x$OS" = "xMINGW32_NT-6.1" ]; then
-       # Windows 7
-       ACLOCAL_DIR="-I /usr/local/share/aclocal"
 fi
 
 echo "Generating build system..."
 ${LIBTOOLIZE} --install --copy --quiet || exit 1
 aclocal ${ACLOCAL_DIR} || exit 1
+
+# Check the version of a specific autoconf macro that tends to cause problems.
+CXXMACROVERSION=$(
+       grep -B 5 'm4_define(\[_AX_CXX_COMPILE_STDCXX_11_testbody\]' aclocal.m4 |
+       sed -n 's/.*serial[ \t][ \t]*\([0-9][0-9]*\).*/\1/p'
+)
+if [ "x$CXXMACROVERSION" = "x" ]; then
+       echo "--- Warning: AX_CXX_COMPILE_STDCXX_11 macro not found."
+       echo "--- You won't be able to build the language bindings!"
+       echo "--- More info: http://sigrok.org/wiki/Building#FAQ"
+fi
+if [ "x$CXXMACROVERSION" != "x" ] && [ "$CXXMACROVERSION" -lt 4 ]; then
+       echo "--- Warning: AX_CXX_COMPILE_STDCXX_11 macro is too old."
+       echo "--- (found version $CXXMACROVERSION, at least 4 is required)"
+       echo "--- You won't be able to build the language bindings!"
+       echo "--- More info: http://sigrok.org/wiki/Building#FAQ"
+fi
+
 autoheader || exit 1
 automake --add-missing --copy || exit 1
 autoconf || exit 1