[libgtop/wip/hadess/check-abi: 2/3] ci: Use builddir != srcdir

[Bastien Nocera <hadess src gnome org>]

commit 38b8e65e00fc32524736c31881d44193daf8e1e3
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Mar 30 11:23:46 2021 +0200

    ci: Use builddir != srcdir

 .gitlab-ci.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a6cb0140..60367ed7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -21,7 +21,9 @@ build-fedora:
     - dnf update -y --nogpgcheck
     - dnf -y install --nogpgcheck $FEDORA_DEPENDENCIES
   script:
-    - ./autogen.sh --disable-dependency-tracking
+    - mkdir _build
+    - cd _build
+    - ../autogen.sh --disable-dependency-tracking
     - make
     - make install
     - make distcheck