Silence LocalParameterization deprecation warnings

Suppress warnings in all Ceres targets without leaking suppressions into
user code (fixes #750).

Change-Id: I3aa1063cb0aae547865a15311ac286ef6d81a955

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 65a6f94..f24f173 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -649,6 +649,12 @@
   endif(HAVE_RETURN_TYPE_C_LINKAGE)
 endif ()
 
+# Disable warnings about deprecated interfaces while we are
+# transitioning from LocalParameterization to Manifolds.
+add_compile_options(
+  $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>,$<CXX_COMPILER_ID:GNU>>:-Wno-deprecated-declarations>
+  $<$<CXX_COMPILER_ID:MSVC>:/wd4996>)
+
 # Configure the Ceres config.h compile options header using the current
 # compile options and put the configured header into the Ceres build
 # directory.  Note that the ceres/internal subdir in <build>/config where

internal/ceres/CMakeLists.txt

diff --git a/internal/ceres/CMakeLists.txt b/internal/ceres/CMakeLists.txt
index d009ac2..5ac71a9 100644
--- a/internal/ceres/CMakeLists.txt
+++ b/internal/ceres/CMakeLists.txt
@@ -262,13 +262,6 @@
   VERSION ${CERES_VERSION}
   SOVERSION ${CERES_VERSION_MAJOR})
 
-# Disable warnings about deprecated interfaces while we are
-# transitioning from LocalParameterization to Manifolds.
-target_compile_options(ceres PRIVATE
-  $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>,$<CXX_COMPILER_ID:GNU>>:
-  -Wno-deprecated-declarations>
-  $<$<CXX_COMPILER_ID:MSVC>: /wd4996>)
-
 if (BUILD_SHARED_LIBS)
   set_target_properties(ceres PROPERTIES
     # Set the default symbol visibility to hidden to unify the behavior among
@@ -443,13 +436,6 @@
              ${CERES_LIBRARY_PRIVATE_DEPENDENCIES_INCLUDE_DIRS})
 
 
-    # Disable warnings about deprecated interfaces while we are
-    # transitioning from LocalParameterization to Manifolds.
-    target_compile_options(${NAME}_test PRIVATE
-      $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>,$<CXX_COMPILER_ID:GNU>>:
-      -Wno-deprecated-declarations>
-      $<$<CXX_COMPILER_ID:MSVC>: /wd4996>)
-
     target_link_libraries(${NAME}_test PUBLIC test_util Ceres::ceres gtest)
     if (BUILD_SHARED_LIBS)
       # Define gtest-specific shared library flags for linking.