--- gigedit/trunk/configure.ac	2013/01/13 09:14:29	2398
+++ gigedit/trunk/configure.ac	2017/01/15 19:18:39	3089
@@ -3,9 +3,9 @@
 #------------------------------------------------------------------------------------
 # The following is the current, official release version of gigedit:
 
-m4_define(gigedit_ver_major, 0)
-m4_define(gigedit_ver_minor, 2)
-m4_define(gigedit_ver_release, 0)
+m4_define(gigedit_ver_major, 1)
+m4_define(gigedit_ver_minor, 0)
+m4_define(gigedit_ver_release, 0.svn25)
 
 AC_INIT([gigedit], [gigedit_ver_major.gigedit_ver_minor.gigedit_ver_release])
 AC_CONFIG_SRCDIR([configure.ac])
@@ -28,7 +28,7 @@
 #  6. If any interfaces have been removed since the last public release, then set age
 #     to 0.
 
-LIBGIGEDIT_LT_CURRENT=2
+LIBGIGEDIT_LT_CURRENT=3
 LIBGIGEDIT_LT_REVISION=0
 LIBGIGEDIT_LT_AGE=0
 
@@ -61,11 +61,23 @@
 IT_PROG_INTLTOOL(0.35.0)
 AM_GLIB_GNU_GETTEXT
 
+windows=no
+mac=no
 case $host in
     *mingw*|*cygwin*) windows=yes ;;
-    *)                windows=no ;;
+    *-*-darwin*) mac=yes ;;
 esac
 AM_CONDITIONAL(WINDOWS, test "$windows" = "yes")
+AM_CONDITIONAL(MAC, test "$mac" = "yes")
+
+# Note: even though Objective-C sources are just compiled for Mac, the
+# following AC macros though must not be embedded into a shell check
+# (if test "$mac" = "yes" ...), because those AC macros themselves are
+# expanded before any shell code is executed, the generated configure
+# code though would then not be executed and would lead to interesting
+# libtool errors on non-Mac systems due to this.
+AC_PROG_OBJC
+AC_PROG_OBJCXX
 
 PKG_PROG_PKG_CONFIG
 have_gtk3=no
@@ -78,7 +90,7 @@
 AC_SUBST(SIGC_CFLAGS)
 AC_SUBST(SIGC_LIBS)
 
-PKG_CHECK_MODULES(GIG, gig >= 3.3.0)
+PKG_CHECK_MODULES(GIG, gig >= 4.0.0)
 AC_SUBST(GIG_CFLAGS)
 AC_SUBST(GIG_LIBS)
 
@@ -88,7 +100,7 @@
 AC_SUBST(SNDFILE_LIBS)
 
 # check for (optional) presence of liblinuxsampler
-liblinuxsampler_version="0.5.0"
+liblinuxsampler_version="2.0.0"
 PKG_CHECK_MODULES(
     LINUXSAMPLER, linuxsampler >= $liblinuxsampler_version,
     have_linuxsampler=1, have_linuxsampler=0