tAllow forcing GTK+2 at configure time - vaccinewars - be a doctor and try to vaccinate the world
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       ---
 (DIR) commit 9a86b729ef0523dd1b3e87373df0f87866120d11
 (DIR) parent 21cc1638a4f6545de678b07bc86043f5c0190718
 (HTM) Author: Ben Webb <ben@salilab.org>
       Date:   Wed, 25 Nov 2020 23:11:29 -0800
       
       Allow forcing GTK+2 at configure time
       
       Add a --disable-gtk3 configure flag to force use
       of GTK+2, even if GTK+3 is available.
       
       Diffstat:
         M configure.ac                        |       9 ++++++++-
       
       1 file changed, 8 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/configure.ac b/configure.ac
       t@@ -50,6 +50,10 @@ AC_ARG_ENABLE(gui-server,
        [  --enable-gui-server     use a simple GTK+/Win32 GUI for the server],
        [ GUI_SERVER="$enableval" ],[ GUI_SERVER="probe" ])
        
       +AC_ARG_ENABLE(gtk3,
       +[  --disable-gtk3          use GTK+ 2.x, even if 3.x is found],
       +[ USE_GTK3="$enableval" ],[ USE_GTK3="yes" ])
       +
        AC_ARG_WITH(esd,
        [  --without-esd           do not support ESD sound output],
        [ USE_ESD="$withval" ], [ USE_ESD="probe" ])
       t@@ -168,7 +172,10 @@ else
           gtk2_found="probe"
           if test "$GUI_CLIENT" != "no" -o "$GUI_SERVER" != "no"; then
              PKG_PROG_PKG_CONFIG()
       -      PKG_CHECK_MODULES([GTK], [gtk+-3.0], gtk3_found="yes", gtk3_found="no")
       +      gtk3_found="no"
       +      if test "$USE_GTK3" = "yes" ; then
       +        PKG_CHECK_MODULES([GTK], [gtk+-3.0], gtk3_found="yes", gtk3_found="no")
       +      fi
              if test "$gtk3_found" = "no" ; then
                AM_PATH_GTK_2_0(2.0.0,gtk2_found="yes",gtk2_found="no")
                if test "$gtk2_found" = "no" ; then