diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 94a1693df..6b12a60b1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,3 @@
-
 build:archlinux:
   image: base/archlinux
   before_script:
@@ -14,7 +13,7 @@ build:archlinux:
        zlib
   script:
     - ./reconf-all
-    - ./configure
+    - ./configure -C
     - make -j$(nproc)
     - make install
 
@@ -26,7 +25,7 @@ build:debian-oldstable:
        apt-get update && apt-get install -y build-essential g++ automake autoconf libbz2-dev libfbclient2 libmysqlclient-dev unixodbc-dev libpq-dev libsqlite0-dev libsqlite3-dev libglib2.0-dev libgtk2.0-dev libldap2-dev libcurl4-gnutls-dev libgtkglext1-dev libpcre3-dev libsdl-sound1.2-dev libsdl-mixer1.2-dev libsdl-image1.2-dev libsage-dev libxml2-dev libxslt1-dev libbonobo2-dev libcos4-dev libomniorb4-dev librsvg2-dev libpoppler-dev libpoppler-glib-dev libpoppler-private-dev libasound2-dev libesd0-dev libdirectfb-dev libaa1-dev libxtst-dev libffi-dev kdelibs5-dev firebird-dev libqt4-dev libglew-dev libimlib2-dev libv4l-dev libsdl-ttf2.0-dev libgnome-keyring-dev libgdk-pixbuf2.0-dev linux-libc-dev libgsl0-dev libncurses5-dev libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libcairo2-dev libgmime-2.6-dev llvm-dev libqt5opengl5-dev libqt5svg5-dev libqt5webkit5-dev libqt5x11extras5-dev qtbase5-dev git
   script:
     - ./reconf-all
-    - ./configure
+    - ./configure -C
     - make -j$(nproc)
     - make install
 
@@ -37,7 +36,7 @@ build:debian-stable:
        apt-get update && apt-get install -y build-essential g++ automake autoconf libbz2-dev default-libmysqlclient-dev unixodbc-dev libpq-dev libsqlite0-dev libsqlite3-dev libglib2.0-dev libgtk2.0-dev libcurl4-gnutls-dev libgtkglext1-dev libpcre3-dev libsdl-sound1.2-dev libsdl-mixer1.2-dev libsdl-image1.2-dev libxml2-dev libxslt1-dev librsvg2-dev libpoppler-dev libpoppler-glib-dev libasound2-dev libesd0-dev libdirectfb-dev libxtst-dev libffi-dev libqt4-dev libglew-dev libimlib2-dev libv4l-dev libsdl-ttf2.0-dev libgdk-pixbuf2.0-dev linux-libc-dev libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libcairo2-dev libgsl-dev libncurses5-dev libgmime-2.6-dev libalure-dev libgmp-dev libgtk-3-dev libsdl2-dev libsdl2-mixer-dev libsdl2-ttf-dev libsdl2-image-dev sane-utils libdumb1-dev libqt5opengl5-dev libqt5svg5-dev libqt5webkit5-dev libqt5x11extras5-dev qtbase5-dev git
   script:
     - ./reconf-all
-    - ./configure
+    - ./configure -C
     - make -j$(nproc)
     - make install
 
@@ -48,7 +47,7 @@ build:debian-testing:
        apt-get update && apt-get install -y build-essential g++ automake autoconf libbz2-dev default-libmysqlclient-dev unixodbc-dev libpq-dev libsqlite0-dev libsqlite3-dev libglib2.0-dev libgtk2.0-dev libcurl4-gnutls-dev libgtkglext1-dev libpcre3-dev libsdl-sound1.2-dev libsdl-mixer1.2-dev libsdl-image1.2-dev libxml2-dev libxslt1-dev librsvg2-dev libpoppler-dev libpoppler-glib-dev libasound2-dev libdirectfb-dev libxtst-dev libffi-dev libqt4-dev libglew-dev libimlib2-dev libv4l-dev libsdl-ttf2.0-dev libgdk-pixbuf2.0-dev linux-libc-dev libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libcairo2-dev libgsl-dev libncurses5-dev libgmime-2.6-dev libalure-dev libgmp-dev libgtk-3-dev libsdl2-dev libsdl2-mixer-dev libsdl2-ttf-dev libsdl2-image-dev sane-utils libdumb1-dev libqt5opengl5-dev libqt5svg5-dev libqt5webkit5-dev libqt5x11extras5-dev qtbase5-dev git
   script:
     - ./reconf-all
-    - ./configure
+    - ./configure -C
     - make -j$(nproc)
     - make install
 
@@ -60,7 +59,7 @@ build:debian-unstable:
        apt-get update && apt-get install -y build-essential g++ automake autoconf libbz2-dev default-libmysqlclient-dev unixodbc-dev libpq-dev libsqlite0-dev libsqlite3-dev libglib2.0-dev libgtk2.0-dev libcurl4-gnutls-dev libgtkglext1-dev libpcre3-dev libsdl-sound1.2-dev libsdl-mixer1.2-dev libsdl-image1.2-dev libxml2-dev libxslt1-dev librsvg2-dev libpoppler-dev libpoppler-glib-dev libasound2-dev libesd0-dev libdirectfb-dev libxtst-dev libffi-dev libqt4-dev libglew-dev libimlib2-dev libv4l-dev libsdl-ttf2.0-dev libgdk-pixbuf2.0-dev linux-libc-dev libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libcairo2-dev libgsl-dev libncurses5-dev libgmime-2.6-dev libalure-dev libgmp-dev libgtk-3-dev libsdl2-dev libsdl2-mixer-dev libsdl2-ttf-dev libsdl2-image-dev sane-utils libdumb1-dev libqt5opengl5-dev libqt5svg5-dev libqt5webkit5-dev libqt5x11extras5-dev qtbase5-dev git
   script:
     - ./reconf-all
-    - ./configure
+    - ./configure -C
     - make -j$(nproc)
     - make install
 
@@ -72,7 +71,7 @@ build:ubuntu-latest:
 
   script:
     - ./reconf-all
-    - ./configure
+    - ./configure -C
     - make -j$(nproc)
     - make install
 
@@ -84,7 +83,7 @@ build:ubuntu-xenial:
 
   script:
     - ./reconf-all
-    - ./configure
+    - ./configure -C
     - make -j$(nproc)
     - make install
 
@@ -96,6 +95,6 @@ build:ubuntu-trusty:
 
   script:
     - ./reconf-all
-    - ./configure
+    - ./configure -C
     - make -j$(nproc)
     - make install