finally fixed it -- who uses a dash instead of an underscore in file names?!

.gitlab-ci.yml

@@ -2,12 +2,7 @@ build:
   stage: build
 
   script:
-    - export proddb_clientlib_libpath=/home/tau/jreher/git/proddb_clientlib/build
-    - export proddb_clientlib_includes=/home/tau/jreher/git/proddb_clientlib/
-    - mkdir build
-    - cd build
-    - cmake3 -DCMAKE_C_COMPILER=/usr/local/bin/gcc -DCMAKE_CXX_COMPILER=/usr/local/bin/g++ ..
-    - make
+    - ./make
   artifacts:
     paths:
     - "build/apdBatchSetter"

CMakeLists.txt

@@ -4,9 +4,9 @@ project(apdTools)
 
 find_package(Qt5 COMPONENTS Core Gui Widgets Network Xml)
 
-INCLUDE_DIRECTORIES($ENV{proddb_clientlib_includes})
 INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/includes/)
 INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/proddb/)
+INCLUDE_DIRECTORIES($ENV{proddb_clientlib_includes})
 LINK_DIRECTORIES($ENV{proddb_clientlib_libpath})
 
 add_library(toolbox "toolbox.cpp" "serialListReader.h" "serialListReader.cxx")

make

+#/bin/tcsh
+
+setenv proddb_clientlib_includes /home/tau/jreher/git/proddb-clientlib/
+setenv proddb_clientlib_libpath /home/tau/jreher/git/proddb-clientlib/build/
+
+rm builddir
+mkdir builddir
+cd builddir
+cmake3 -DCMAKE_C_COMPILER=/usr/local/bin/gcc -DCMAKE_CXX_COMPILER=/usr/local/bin/g++ ..
+make