1 files changed, 87 insertions, 0 deletions
diff --git a/m4.include/mc-glib.m4 b/m4.include/mc-glib.m4
new file mode 100644
index 0000000..ba4901f
--- /dev/null
+++ b/m4.include/mc-glib.m4
@@ -0,0 +1,87 @@
+dnl
+dnl Check whether the g_module_* family of functions works
+dnl on this system.  We need to know that at the compile time to
+dnl decide whether to link with X11.
+dnl
+AC_DEFUN([mc_G_MODULE_SUPPORTED], [
+
+    g_module_supported=""
+
+    found_gmodule=no
+    PKG_CHECK_MODULES(GMODULE, [gmodule-no-export-2.0 >= 2.30], [found_gmodule=yes], [:])
+    if test x"$found_gmodule" = xyes; then
+        g_module_supported="gmodule-no-export-2.0"
+    else
+        dnl try fallback to the generic gmodule
+        PKG_CHECK_MODULES(GMODULE, [gmodule-2.0 >= 2.30], [found_gmodule=yes], [:])
+        if test x"$found_gmodule" = xyes; then
+            g_module_supported="gmodule-2.0"
+        fi
+    fi
+
+    case x"$g_module_supported" in
+        xgmodule-no-export-2.0|xgmodule-2.0)
+            if test x`$PKG_CONFIG --variable=gmodule_supported "$g_module_supported"` = xtrue; then
+                AC_DEFINE([HAVE_GMODULE], [1], [Defined if gmodule functionality is supported])
+            else
+                g_module_supported=""
+            fi
+            ;;
+        *)
+            g_module_supported=""
+            ;;
+    esac
+
+    dnl
+    dnl Try to find static libraries for glib and gmodule.
+    dnl
+    if test x$with_glib_static = xyes; then
+        new_GLIB_LIBS=
+        for i in $GLIB_LIBS; do
+            case x$i in
+            x-lglib*)
+                lib=glib ;;
+            x-lgmodule*)
+                lib=gmodule ;;
+            *)
+                lib=
+                add="$i" ;;
+            esac
+
+            if test -n "$lib"; then
+                lib1=`echo $i | sed 's/^-l//'`
+                if test -f "$GLIB_LIBDIR/lib${lib1}.a"; then
+                    add="$GLIB_LIBDIR/lib${lib1}.a"
+                else
+                    if test -f "$GLIB_LIBDIR/lib${lib}.a"; then
+                        add="$GLIB_LIBDIR/lib${lib}.a"
+                    else
+                        AC_MSG_ERROR([Cannot find static $lib])
+                    fi
+                fi
+            fi
+            new_GLIB_LIBS="$new_GLIB_LIBS $add"
+        done
+        GLIB_LIBS="$new_GLIB_LIBS"
+    fi
+
+])
+
+AC_DEFUN([mc_CHECK_GLIB], [
+    dnl
+    dnl First try glib 2.x.
+    dnl Keep this check close to the beginning, so that the users
+    dnl without any glib won't have their time wasted by other checks.
+    dnl
+
+    AC_ARG_WITH([glib_static],
+        AS_HELP_STRING([--with-glib-static], [Link glib statically @<:@no@:>@]))
+
+    glib_found=no
+    PKG_CHECK_MODULES(GLIB, [glib-2.0 >= 2.30], [glib_found=yes], [:])
+    if test x"$glib_found" = xno; then
+        AC_MSG_ERROR([glib-2.0 not found or version too old (must be >= 2.30)])
+    fi
+
+])
+