X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=configure.ac;h=0df658807a570f6600a11587982828cb57d5824c;hb=refs%2Fheads%2Flibsigrok-0.4.x;hp=37172f28dc1b69ec0b5329db24f413cffde3896b;hpb=c7b17bcba3751c7849229089cce8773bb4355be7;p=libsigrok.git

diff --git a/configure.ac b/configure.ac
index 37172f28..0df65880 100644
--- a/configure.ac
+++ b/configure.ac
@@ -67,7 +67,8 @@ SR_PKG_VERSION_SET([SR_PACKAGE_VERSION], [AC_PACKAGE_VERSION])
 # Carefully read the libtool docs before updating these numbers!
 # The algorithm for determining which number to change (and how) is nontrivial!
 # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
-SR_LIB_VERSION_SET([SR_LIB_VERSION], [2:0:0])
+# Format: current:revision:age.
+SR_LIB_VERSION_SET([SR_LIB_VERSION], [3:0:0])
 
 AM_CONDITIONAL([WIN32], [test -z "${host_os##mingw*}" || test -z "${host_os##cygwin*}"])
 
@@ -91,6 +92,7 @@ SR_VAR_OPT_PKG([SR_PKGLIBS], [sr_deps_avail])
 SR_PKGLIBS_TESTS=
 SR_PKGLIBS_CXX=
 SR_PKGLIBS_PYTHON=
+SR_PKGLIBS_RUBY=
 SR_EXTRA_LIBS=
 
 SR_ARG_OPT_PKG([libserialport], [LIBSERIALPORT], [NEED_SERIAL],
@@ -282,6 +284,10 @@ AC_ARG_ENABLE([python],
 	[AS_HELP_STRING([--enable-python], [build Python bindings [default=yes]])],
 	[], [enable_python=$enable_bindings])
 
+AC_ARG_ENABLE([ruby],
+	[AS_HELP_STRING([--enable-ruby], [build Ruby bindings [default=yes]])],
+	[], [enable_ruby=$enable_bindings])
+
 AC_ARG_ENABLE([java],
 	[AS_HELP_STRING([--enable-java], [build Java bindings [default=yes]])],
 	[], [enable_java=$enable_bindings])
@@ -379,6 +385,10 @@ AS_IF([test "x$HAVE_PYMOD_NUMPY" != xyes],
 
 # The Python bindings use SWIG to generate code.
 AC_CHECK_PROGS([SWIG], [swig swig3.0 swig2.0])
+AS_IF([test "x$SWIG" != x],
+    AC_MSG_CHECKING([for $SWIG version])
+    [SWIG_VERSION=`$SWIG -version 2>&1 | sed -n 's/SWIG Version\s*//p'`]
+    AC_MSG_RESULT([$SWIG_VERSION]))
 AS_IF([test "x$SWIG" = x],
 	[SR_APPEND([sr_python_missing], [', '], [SWIG])])
 
@@ -386,6 +396,48 @@ AS_IF([test -z "$sr_python_missing"],
 	[BINDINGS_PYTHON=$enable_python], [BINDINGS_PYTHON=no])
 AM_CONDITIONAL([BINDINGS_PYTHON], [test "x$BINDINGS_PYTHON" = xyes])
 
+#####################
+##  Ruby bindings  ##
+#####################
+
+AS_IF([test "x$BINDINGS_CXX" = xyes],
+	[sr_ruby_missing=],
+	[sr_ruby_missing='C++ bindings'])
+
+AC_PATH_PROGS(RUBY, ["${RUBY-ruby}"], [])
+AS_IF([test "x$RUBY" != x],
+	AC_MSG_CHECKING([for Ruby version])
+    [RUBY_VERSION=`$RUBY -e 'puts RUBY_VERSION'`]
+    AC_MSG_RESULT([$RUBY_VERSION])
+    [RUBY_DLEXT=`$RUBY -rrbconfig -e 'puts RbConfig::CONFIG[["DLEXT"]]'`]
+    AC_SUBST(RUBY_DLEXT))
+
+AS_IF([test "x$RUBY" = x],
+	[SR_APPEND([sr_ruby_missing], [', '], [Ruby])])
+
+# Extract major and minor version number of the Ruby interpreter.
+sr_rbmajor=${RUBY_VERSION%%.*}
+sr_rbminor=${RUBY_VERSION#*.}
+sr_rbminor=${sr_rbminor%%.*}
+
+# The Ruby bindings need Ruby development files.
+SR_PKG_CHECK([ruby_dev], [SR_PKGLIBS_RUBY],
+	[ruby],
+	[ruby-$sr_rbmajor.$sr_rbminor])
+
+AS_IF([test "x$sr_have_ruby_dev" != xyes],
+	[SR_APPEND([sr_ruby_missing], [', '], [Headers])])
+
+# The Ruby bindings use SWIG >= 3.0.8 to generate code.
+AS_IF([test "x$SWIG" = x],
+	[SR_APPEND([sr_ruby_missing], [', '], [SWIG])],
+	[AS_VERSION_COMPARE($SWIG_VERSION, "3.0.8",
+		[SR_APPEND([sr_ruby_missing], [', '], ['SWIG >= 3.0.8'])])])
+
+AS_IF([test -z "$sr_ruby_missing"],
+	[BINDINGS_RUBY=$enable_ruby], [BINDINGS_RUBY=no])
+AM_CONDITIONAL([BINDINGS_RUBY], [test "x$BINDINGS_RUBY" = xyes])
+
 ####################
 ##  Java bindings ##
 ####################
@@ -454,6 +506,7 @@ PKG_CHECK_MODULES([TESTS], [$SR_PKGLIBS_TESTS glib-2.0 $SR_PKGLIBS])
 AM_COND_IF([BINDINGS_CXX], [
 	PKG_CHECK_MODULES([LIBSIGROKCXX], [$SR_PKGLIBS_CXX])
 	PKG_CHECK_MODULES([PYSIGROK], [$SR_PKGLIBS_PYTHON $SR_PKGLIBS_CXX])
+	PKG_CHECK_MODULES([RBSIGROK], [$SR_PKGLIBS_RUBY $SR_PKGLIBS_CXX], [AC_SUBST(RBSIGROK_EXTDIR, "lib/$($PKG_CONFIG --variable=sitearch $SR_PKGLIBS_RUBY)/$($PKG_CONFIG --variable=RUBY_BASE_NAME $SR_PKGLIBS_RUBY)/vendor_ruby/$($PKG_CONFIG --variable=ruby_version $SR_PKGLIBS_RUBY)")])
 ])
 
 # Check for specific libusb features, now that we know the CFLAGS.
@@ -490,7 +543,7 @@ m4_define([SR_PREPARE_BINDING_REPORT], [
 	test -z "$sr_$1_missing" || sr_report_$1=" (missing: $sr_$1_missing)"
 	test "x$enable_$1" = xyes || sr_report_$1=' (disabled)'
 ])
-m4_map_args([SR_PREPARE_BINDING_REPORT], [cxx], [python], [java])
+m4_map_args([SR_PREPARE_BINDING_REPORT], [cxx], [python], [ruby], [java])
 
 cat >&AS_MESSAGE_FD <<_EOF
 
@@ -531,6 +584,7 @@ Enabled SCPI backends:
 Enabled language bindings:
  - C++............................. $BINDINGS_CXX$sr_report_cxx
  - Python.......................... $BINDINGS_PYTHON$sr_report_python
+ - Ruby............................ $BINDINGS_RUBY$sr_report_ruby
  - Java............................ $BINDINGS_JAVA$sr_report_java
 
 _EOF