X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=autogen.sh;h=8685c3c8f7cabd2822a7e9a6468895443ff82a98;hb=a9b2283fd038a2a8c3e2dc1ede4fcc51d5e62c7c;hp=0177bd3b67a9bab9ea038d83349a615ec8995b1d;hpb=c73d2ea421c2b425c3f0ae33bce2bfd0c448ca5f;p=libsigrok.git

diff --git a/autogen.sh b/autogen.sh
index 0177bd3b..8685c3c8 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 ##
-## This file is part of the sigrok project.
+## This file is part of the libsigrok project.
 ##
 ## Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
 ##
@@ -32,6 +32,9 @@ if [ "x$OS" = "xDarwin" ]; then
 	elif [ -d /opt/local/share/aclocal ]; then
 		# Macports installs aclocal macros here
 		ACLOCAL_DIR="-I /opt/local/share/aclocal"
+	elif [ -d /usr/local/share/aclocal ]; then
+		# Homebrew installs aclocal macros here
+		ACLOCAL_DIR="-I /usr/local/share/aclocal"
 	elif [ -d /usr/share/aclocal ]; then
 		# Xcode installs aclocal macros here
 		ACLOCAL_DIR="-I /usr/share/aclocal"
@@ -51,7 +54,23 @@ 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 -nr 's/.*serial[[:space:]]+([[:digit:]]+).*/\1/p'
+)
+if [ "x$CXXMACROVERSION" = "x" ]; then
+	echo "--- Warning: AX_CXX_COMPILE_STDCXX_11 macro not found."
+	echo "--- You won't be able to build the language bindings!"
+fi
+if [ "x$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!"
+fi
+
 autoheader || exit 1
-automake --add-missing --copy --foreign || exit 1
+automake --add-missing --copy || exit 1
 autoconf || exit 1