Ajout flag -w si gcc

Utilities/otbgeotiff/CMakeLists.txt

@@ -7,6 +7,23 @@ CONFIGURE_FILE(geo_config.h.in ${OTB_BINARY_DIR}/Utilities/otbgeotiff/geo_config
 
 INCLUDE_DIRECTORIES(${OTB_BINARY_DIR}/Utilities/otbgeotiff/)
 
+# Adjust the compiler flags to avoid problems with f2c-generated code.
+IF(CMAKE_COMPILER_IS_GNUCC)
+  # Hide warnings in geotif code.
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w")
+
+  # CMake versions before 2.4 did not put the source-file-specific flags
+  # after the directory-level flags.  Remove optimization flags from the
+  # CMAKE_C_FLAGS* variables so they can be overridden.
+  IF("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" LESS 2.4)
+    FOREACH(c "" "_DEBUG" "_RELEASE" "_MINSIZEREL" "_RELWITHDEBINFO")
+      STRING(REGEX REPLACE
+        "-O[^ ]*( |$)" "" CMAKE_C_FLAGS${c} "${CMAKE_C_FLAGS${c}}")
+    ENDFOREACH(c)
+  ENDIF("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" LESS 2.4)
+
+ENDIF(CMAKE_COMPILER_IS_GNUCC)
+
 ADD_LIBRARY(otbgeotiff ${libgeotiff_SRCS})
 TARGET_LINK_LIBRARIES(otbgeotiff)