add gflags source code installation

Former-commit-id: 31e2be85c7

SuperBuild/CMakeLists.txt

@@ -79,6 +79,15 @@ option(ODM_BUILD_Ceres "Force to build Ceres library" OFF)
 SETUP_EXTERNAL_PROJECT(Ceres ${ODM_Ceres_Version} ${ODM_BUILD_Ceres})
 
 
+# ---------------------------------------------------------------------------------------------
+# Google Flags library (GFlags)
+#
+set(ODM_GFlags_Version 2.1.2)
+option(ODM_BUILD_GFlags "Force to build GFlags library" OFF)
+
+SETUP_EXTERNAL_PROJECT(GFlags ${ODM_GFlags_Version} ${ODM_BUILD_GFlags})
+
+
 # ---------------------------------------------------------------------------------------------
 # Open Geometric Vision (OpenGV)
 # Open Structure from Motion (OpenSfM)

SuperBuild/cmake/External-Ceres.cmake

@@ -2,6 +2,7 @@ set(_proj_name ceres)
 set(_SB_BINARY_DIR "${SB_BINARY_DIR}/${_proj_name}")
 
 ExternalProject_Add(${_proj_name}
+  DEPENDS           gflags
   PREFIX            ${_SB_BINARY_DIR}
   TMP_DIR           ${_SB_BINARY_DIR}/tmp
   STAMP_DIR         ${_SB_BINARY_DIR}/stamp

SuperBuild/cmake/External-GFlags.cmake

@@ -0,0 +1,27 @@
+set(_proj_name gflags)
+set(_SB_BINARY_DIR "${SB_BINARY_DIR}/${_proj_name}")
+
+ExternalProject_Add(${_proj_name}
+  PREFIX            ${_SB_BINARY_DIR}
+  TMP_DIR           ${_SB_BINARY_DIR}/tmp
+  STAMP_DIR         ${_SB_BINARY_DIR}/stamp
+  #--Download step--------------
+  DOWNLOAD_DIR      ${SB_DOWNLOAD_DIR}
+  URL               https://github.com/gflags/gflags/archive/master.zip
+  URL_MD5           d57049ed25d3921549315f2d2ee8ee49
+  #--Update/Patch step----------
+  UPDATE_COMMAND    ""
+  #--Configure step-------------
+  SOURCE_DIR        ${SB_SOURCE_DIR}/${_proj_name}
+  CMAKE_ARGS
+    -DCMAKE_BUILD_TYPE:STRING=Release
+    -DCMAKE_INSTALL_PREFIX:PATH=${SB_INSTALL_DIR}
+  #--Build step-----------------
+  BINARY_DIR        ${_SB_BINARY_DIR}
+  #--Install step---------------
+  INSTALL_DIR       ${SB_INSTALL_DIR}
+  #--Output logging-------------
+  LOG_DOWNLOAD      OFF
+  LOG_CONFIGURE     OFF
+  LOG_BUILD         OFF
+)