From 8a020258c437cb3ca6d7520b51ea99da3de18167 Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Thu, 18 Apr 2024 13:28:51 -0400
Subject: [PATCH] xo-flatstring: utest: skip ccov target in submodule build

---
 utest/CMakeLists.txt | 59 ++++++++++++++++++++++++--------------------
 1 file changed, 32 insertions(+), 27 deletions(-)

diff --git a/utest/CMakeLists.txt b/utest/CMakeLists.txt
index 091e56e..1779b46 100644
--- a/utest/CMakeLists.txt
+++ b/utest/CMakeLists.txt
@@ -14,36 +14,41 @@ add_test(NAME ${SELF_EXE} COMMAND ${SELF_EXE})
 # ----------------------------------------------------------------
 # in coverage build,  target to build+install coverage report
 
-set(CCOV_OUTPUT_DIR ${PROJECT_BINARY_DIR}/ccov/html)
-set(CCOV_INDEX_FILE ${CCOV_OUTPUT_DIR}/index.html)
-set(CCOV_REPORT_EXE ${PROJECT_BINARY_DIR}/gen-ccov)
-# CMAKE_INSTALL_DOCDIR
-#  =default=> DATAROOTDIR/doc/PROJECT_NAME
-#  =default=> CMAKE_INSTALL_PREFIX/share/doc/xo_flatstring
-set(CCOV_INSTALL_DOCDIR ${CMAKE_INSTALL_DOCDIR}/ccov)
+if (XO_SUBMODULE_BUILD)
+    # in submodule build, generate aggregate coverage report
+    # for all xo libraries
+else()
+    set(CCOV_OUTPUT_DIR ${PROJECT_BINARY_DIR}/ccov/html)
+    set(CCOV_INDEX_FILE ${CCOV_OUTPUT_DIR}/index.html)
+    set(CCOV_REPORT_EXE ${PROJECT_BINARY_DIR}/gen-ccov)
+    # CMAKE_INSTALL_DOCDIR
+    #  =default=> DATAROOTDIR/doc/PROJECT_NAME
+    #  =default=> CMAKE_INSTALL_PREFIX/share/doc/xo_flatstring
+    set(CCOV_INSTALL_DOCDIR ${CMAKE_INSTALL_DOCDIR}/ccov)
 
-# 'test' target should always be out-of-date
-#
-# DEPENDS: reminder - can't put 'test' here,  requires 'all' target
-#
-add_custom_command(
-    OUTPUT ${CCOV_INDEX_FILE}
-    DEPENDS ${SELF_EXE}
-    COMMAND ${CCOV_REPORT_EXE}
-    WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
-    COMMENT "Generating coverage report -> [${CCOV_OUTPUT_DIR}]")
+    # 'test' target should always be out-of-date
+    #
+    # DEPENDS: reminder - can't put 'test' here,  requires 'all' target
+    #
+    add_custom_command(
+        OUTPUT ${CCOV_INDEX_FILE}
+        DEPENDS ${SELF_EXE}
+        COMMAND ${CCOV_REPORT_EXE}
+        WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
+        COMMENT "Generating coverage report -> [${CCOV_OUTPUT_DIR}]")
 
-add_custom_target(
-    ccov
-    DEPENDS ${CCOV_INDEX_FILE} ${SELF_EXE})
+    add_custom_target(
+        ccov
+        DEPENDS ${CCOV_INDEX_FILE} ${SELF_EXE})
 
-# OPTIONAL: quietly skip this step if ccov report not generated
-install(
-    DIRECTORY ${CCOV_OUTPUT_DIR}
-    FILE_PERMISSIONS OWNER_READ GROUP_READ WORLD_READ
-    DESTINATION ${CCOV_INSTALL_DOCDIR}
-    COMPONENT Documentation
-    OPTIONAL)
+    # OPTIONAL: quietly skip this step if ccov report not generated
+    install(
+        DIRECTORY ${CCOV_OUTPUT_DIR}
+        FILE_PERMISSIONS OWNER_READ GROUP_READ WORLD_READ
+        DESTINATION ${CCOV_INSTALL_DOCDIR}
+        COMPONENT Documentation
+        OPTIONAL)
+endif()
 
 # ----------------------------------------------------------------
 # deps:  logutils, ...