From 514f57e690522b80640b706d295b680c8214b06c Mon Sep 17 00:00:00 2001
From: Christophe Bedard <bedard.christophe@gmail.com>
Date: Thu, 3 Sep 2020 15:38:05 -0400
Subject: [PATCH] Do not export tracetools if empty

Signed-off-by: Christophe Bedard <bedard.christophe@gmail.com>
---
 tracetools/CMakeLists.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tracetools/CMakeLists.txt b/tracetools/CMakeLists.txt
index 0610075..fd518ed 100644
--- a/tracetools/CMakeLists.txt
+++ b/tracetools/CMakeLists.txt
@@ -95,7 +95,9 @@ target_include_directories(${PROJECT_NAME} PUBLIC
   "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>"
   "$<INSTALL_INTERFACE:include>"
 )
-ament_export_targets(${PROJECT_NAME}_export HAS_LIBRARY_TARGET)
+if(NOT TRACETOOLS_DISABLED)
+  ament_export_targets(${PROJECT_NAME}_export HAS_LIBRARY_TARGET)
+endif()
 
 if(TRACETOOLS_STATUS_CHECKING_TOOL)
   # Status checking tool
@@ -131,7 +133,7 @@ if(TRACETOOLS_LTTNG_ENABLED)
   if(NOT TRACETOOLS_NO_RDYNAMIC)
     ament_export_link_flags("-rdynamic")
   endif()
-else()
+elseif(NOT TRACETOOLS_DISABLED)
   ament_export_libraries(${PROJECT_NAME})
 endif()