New --disable-glib configure option

This option uses the fake GLib shim even when GLib is present on the
system.

.travis.yml

@@ -17,7 +17,7 @@ before_script:
   - autoreconf -i -f -Wno-portability
 
 script:
-  - ./configure --disable-man --disable-silent-rules
+  - ./configure --disable-man --disable-silent-rules --disable-glib
   - make
   - ./src/util/mdb-array test/data/ASampleDatabase.accdb "Asset Items"
   - ./src/util/mdb-array test/data/nwind.mdb "Customers"

configure.ac

@@ -152,13 +152,22 @@ pkg-config is required.
 See pkg-config.freedesktop.org])
 fi
 
+dnl See if GLib is present and wanted
+AC_ARG_ENABLE(glib,
+    AS_HELP_STRING([--disable-glib], [do not link with GLib]),
+        [enable_glib=$enableval], [enable_glib=yes])
 
-dnl check for glib/gtk/gnome
-PKG_CHECK_MODULES([GLIB], [glib-2.0], AM_CONDITIONAL([HAVE_GLIB], true), AM_CONDITIONAL([HAVE_GLIB], false))
-if test "x$HAVE_GLIB" = "xtrue"; then
+if test "$enable_glib" = "yes"; then
+    PKG_CHECK_MODULES([GLIB], [glib-2.0], HAVE_GLIB=true, HAVE_GLIB=false)
+    if test "x$HAVE_GLIB" = "xtrue"; then
         GLIB_CFLAGS="$GLIB_CFLAGS -DHAVE_GLIB=1"
+    else
+        enable_glib=no
+    fi
 fi
+AM_CONDITIONAL(FAKE_GLIB, test "x$enable_glib" != "xyes")
 
+dnl check for gtk/gnome
 PKG_CHECK_MODULES([GNOME], [gtk+-2.0 >= 2.14 libglade-2.0 libgnomeui-2.0], HAVE_GNOME=true, HAVE_GNOME=false)
 
 GNOME_DOC_INIT
@@ -282,6 +291,8 @@ if test x$sql = xtrue; then summary=${bold_green}enabled; else summary=${bold_re
 AC_MSG_NOTICE([   SQL          : ${summary}${reset}])
 if test x$HAVE_ODBC = xtrue; then summary=${bold_green}enabled; else summary=${bold_red}disabled; fi
 AC_MSG_NOTICE([   ODBC         : ${summary}${reset}])
+if test x$enable_glib = xyes; then summary=${bold_green}enabled; else summary=${bold_red}disabled; fi
+AC_MSG_NOTICE([   GLib         : ${summary}${reset}])
 if test x$build_gmdb2 = xyes; then summary=${bold_green}enabled; else summary=${bold_red}disabled; fi
 AC_MSG_NOTICE([   UI           : ${summary}${reset}])
 if test x$enable_gtk_doc = xyes; then summary=${bold_green}enabled; else summary=${bold_red}disabled; fi

include/Makefile.am

@@ -1,5 +1,5 @@
 include_HEADERS	= mdbtools.h mdbsql.h mdbver.h
-if !HAVE_GLIB
+if FAKE_GLIB
 include_HEADERS += mdbfakeglib.h
 endif
 noinst_HEADERS = mdbprivate.h

src/libmdb/Makefile.am

@@ -1,6 +1,6 @@
 lib_LTLIBRARIES	=	libmdb.la
 libmdb_la_SOURCES=	catalog.c mem.c file.c table.c data.c dump.c backend.c money.c sargs.c index.c like.c write.c stats.c map.c props.c worktable.c options.c iconv.c
-if !HAVE_GLIB
+if FAKE_GLIB
 libmdb_la_SOURCES += fakeglib.c
 endif
 libmdb_la_LDFLAGS = -version-info 2:1:0 -export-symbols-regex '^(mdb_|_mdb_put_int16$$|_mdb_put_int32$$)'

src/sql/Makefile.am

@@ -3,7 +3,7 @@ BUILT_SOURCES = parser.h
 AM_YFLAGS = -d
 lib_LTLIBRARIES	=	libmdbsql.la
 libmdbsql_la_SOURCES=	mdbsql.c parser.y lexer.l 
-if !HAVE_GLIB
+if FAKE_GLIB
 libmdbsql_la_SOURCES += ../libmdb/fakeglib.c
 endif
 libmdbsql_la_LDFLAGS = -version-info 2:0:0 -export-symbols-regex '^mdb_sql_'

src/util/Makefile.am

@@ -9,7 +9,7 @@ mdb_sql_SOURCES = mdb-sql.c
 mdb_ver_SOURCES = mdb-ver.c
 mdb_import_SOURCES = mdb-import.c
 updrow_SOURCES = updrow.c
-if !HAVE_GLIB
+if FAKE_GLIB
 mdb_export_SOURCES += ../libmdb/fakeglib.c
 mdb_schema_SOURCES += ../libmdb/fakeglib.c
 mdb_tables_SOURCES += ../libmdb/fakeglib.c