Adds support for GPerftools. Add compiler and linker flags only if the library is available.

git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@292 64b25241-fba3-4117-9849-534c7e92360d

cmake/Modules/FindGperftools.cmake

@@ -0,0 +1,52 @@
+# Tries to find Gperftools.
+#
+# Usage of this module as follows:
+#
+# find_package(Gperftools)
+#
+# Variables used by this module, they can change the default behaviour and need
+# to be set before calling find_package:
+#
+# Gperftools_ROOT_DIR Set this variable to the root installation of
+# Gperftools if the module has problems finding
+# the proper installation path.
+#
+# Variables defined by this module:
+#
+# GPERFTOOLS_FOUND System has Gperftools libs/headers
+# GPERFTOOLS_LIBRARIES The Gperftools libraries (tcmalloc & profiler)
+# GPERFTOOLS_INCLUDE_DIR The location of Gperftools headers
+
+find_library(GPERFTOOLS_TCMALLOC
+  NAMES tcmalloc
+  HINTS ${Gperftools_ROOT_DIR}/lib)
+
+find_library(GPERFTOOLS_PROFILER
+  NAMES profiler
+  HINTS ${Gperftools_ROOT_DIR}/lib)
+
+find_library(GPERFTOOLS_TCMALLOC_AND_PROFILER
+  NAMES tcmalloc_and_profiler
+  HINTS ${Gperftools_ROOT_DIR}/lib)
+
+find_path(GPERFTOOLS_INCLUDE_DIR
+  NAMES gperftools/heap-profiler.h
+  HINTS ${Gperftools_ROOT_DIR}/include)
+
+set(GPERFTOOLS_LIBRARIES ${GPERFTOOLS_TCMALLOC_AND_PROFILER})
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(
+  Gperftools
+  DEFAULT_MSG
+  GPERFTOOLS_LIBRARIES
+  GPERFTOOLS_INCLUDE_DIR
+)
+
+mark_as_advanced(
+  Gperftools_ROOT_DIR
+  GPERFTOOLS_TCMALLOC
+  GPERFTOOLS_PROFILER
+  GPERFTOOLS_TCMALLOC_AND_PROFILER
+  GPERFTOOLS_LIBRARIES
+  GPERFTOOLS_INCLUDE_DIR)