From b030469650099e199b754ca2d805d7a30c343b7d Mon Sep 17 00:00:00 2001
From: Chris Lalancette <clalancette@gmail.com>
Date: Wed, 5 Jun 2024 20:01:32 +0000
Subject: [PATCH] Add a dependency on ceres.

There is a dependency on ceres for downstream consumers
of sophus, so make sure to add it as an interface depend.
Also add it to the package.xml.

Signed-off-by: Chris Lalancette <clalancette@gmail.com>
---
 CMakeLists.txt        | 6 ++++++
 SophusConfig.cmake.in | 1 +
 package.xml           | 1 +
 3 files changed, 8 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 433b76e8c..1bc5f1cf3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,6 +61,9 @@ if(NOT TARGET fmt::fmt)
   find_package(fmt)
 endif()
 
+if(NOT TARGET Ceres::ceres)
+  find_package(Ceres REQUIRED)
+endif()
 
 # Define interface library target
 add_library(sophus INTERFACE)
@@ -121,6 +124,9 @@ else()
   message(STATUS "Turning basic logging OFF")
 endif()
 
+target_link_libraries(sophus INTERFACE Ceres::ceres)
+set(Ceres_DEPENDENCY "find_dependency (Ceres ${Ceres_VERSION})")
+
 # Associate target with include directory
 target_include_directories(sophus INTERFACE
     "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
diff --git a/SophusConfig.cmake.in b/SophusConfig.cmake.in
index e8283eda3..8256bf94b 100644
--- a/SophusConfig.cmake.in
+++ b/SophusConfig.cmake.in
@@ -4,5 +4,6 @@ include (CMakeFindDependencyMacro)
 
 @Eigen3_DEPENDENCY@
 @fmt_DEPENDENCY@
+@Ceres_DEPENDENCY@
 
 include ("${CMAKE_CURRENT_LIST_DIR}/SophusTargets.cmake")
diff --git a/package.xml b/package.xml
index 1242b5fe1..6e62299bf 100644
--- a/package.xml
+++ b/package.xml
@@ -36,6 +36,7 @@
 
   <build_depend>eigen</build_depend>
   <build_export_depend>eigen</build_export_depend>
+  <build_export_depend>libceres-dev</build_export_depend>
 
   <export>
     <build_type>cmake</build_type>