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Viewing changes to cmake/modules/FindDWARF.cmake

  • Committer: Bazaar Package Importer
  • Author(s): Thomas Girard
  • Date: 2011-05-02 19:34:31 UTC
  • mfrom: (1.1.1 upstream) (2.1.3 maverick)
  • Revision ID: james.westby@ubuntu.com-20110502193431-xd7eeb4sarnmyd7e
Tags: 1.9-1
http://bugs.debian.org/513573
http://bugs.debian.org/621530
http://bugs.debian.org/625158
http://bugs.debian.org/534529
http://bugs.debian.org/517180
* Acknowledge 1.3-1.1 NMU (thanks to Michael Banck) and resynch with
  Ubuntu release (thanks Bhavani Shankar).
* New upstream release:
  - patch from 1.3-1.1ubuntu1 no longer needed.
  - new manpage for pahole.
  - new program scncopy to copy ELF sections.
  - fixes crash when encountering a pointer in a struct. Closes: #513573.
  - recognizes C++ classes. Closes: #621530.
  - no longer FTBFS with gcc 4.6. Closes: #625158.
* Remove libebl detection and use. Closes: #534529.
* debian/control:
  - bump debhelper level to 7.
  - add Vcs-Git: and Vcs-Browser:
  - bump Standards-Version: to 3.9.2.
  - add zlib1g-dev build dependency.
* debian/copyright: add missing copyright holders.
* debian/rules:
  - allow to be compiled twice in a row.
  - ensure package building aborts if a program is not installed.
  - use dh_prep instead of dh_clean -k.
* debian/dwarves.install:
  - include syscse. Closes: #517180.
  - add ctracer. See README.ctracer for information on how to use it.
* Switch to dpkg-source 3.0 (quilt) format.
* Fix many lintian warnings.

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Lines of Context:
cmake/modules/FindDWARF.cmake
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#  DWARF_LIBRARIES   - List of libraries when using elf utils.
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#  DWARF_FOUND       - True if fdo found.
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message(STATUS "Checking availability of DWARF and ELF development libraries")
 
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INCLUDE(CheckLibraryExists)
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if (DWARF_INCLUDE_DIR AND LIBDW_INCLUDE_DIR AND DWARF_LIBRARY AND ELF_LIBRARY)
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        # Already in cache, be silent
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)
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set(DWARF_LIBRARY /usr/lib/libdw.so)
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set(ELF_LIBRARY /usr/lib/libelf.a)
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#set(EBL_LIBRARY /usr/lib/libebl.a)
 
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set(ELF_LIBRARY /usr/lib/libelf.so)
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if (DWARF_INCLUDE_DIR AND LIBDW_INCLUDE_DIR AND DWARF_LIBRARY AND ELF_LIBRARY)
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        set(DWARF_FOUND TRUE)
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        set(DWARF_LIBRARIES ${DWARF_LIBRARY} ${DWARF_LIBRARY} ${ELF_LIBRARY})
 
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        set(DWARF_LIBRARIES ${DWARF_LIBRARY} ${ELF_LIBRARY})
 
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        set(CMAKE_REQUIRED_LIBRARIES ${DWARF_LIBRARIES})
 
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        # check if libdw have the dwfl_module_build_id routine, i.e. if it supports the buildid
 
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        # mechanism to match binaries to detached debug info sections (the -debuginfo packages
 
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        # in distributions such as fedora). We do it against libelf because, IIRC, some distros
 
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        # include libdw linked statically into libelf.
 
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        check_library_exists(elf dwfl_module_build_id "" HAVE_DWFL_MODULE_BUILD_ID)
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else (DWARF_INCLUDE_DIR AND LIBDW_INCLUDE_DIR AND DWARF_LIBRARY AND ELF_LIBRARY)
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        set(DWARF_FOUND FALSE)
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        set(DWARF_LIBRARIES)
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                message(STATUS "Found elfutils/libdw.h header: ${LIBDW_INCLUDE_DIR}")
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                message(STATUS "Found libdw library: ${DWARF_LIBRARY}")
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                message(STATUS "Found libelf library: ${ELF_LIBRARY}")
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                message(STATUS "Found libebl library: ${EBL_LIBRARY}")
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        endif (NOT DWARF_FIND_QUIETLY)
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else (DWARF_FOUND)
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        if (DWARF_FIND_REQUIRED)
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                if (NOT DWARF_INCLUDE_DIR)
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                        message(FATAL_ERROR "Could NOT find dwarf include dir")
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                endif (NOT DWARF_INCLUDE_DIR)
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                if (NOT LIBDW_INCLUDE_DIR)
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                        message(FATAL_ERROR "Could NOT find libdw include dir")
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                endif (NOT LIBDW_INCLUDE_DIR)
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                if (NOT DWARF_LIBRARY)
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                        message(FATAL_ERROR "Could NOT find libdw library")
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                endif (NOT DWARF_LIBRARY)
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                if (NOT ELF_LIBRARY)
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                        message(FATAL_ERROR "Could NOT find libelf library")
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                endif (NOT ELF_LIBRARY)
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                if (NOT EBL_LIBRARY)
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                        message(FATAL_ERROR "Could NOT find libebl library")
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                endif (NOT EBL_LIBRARY)
 
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                # Check if we are in a Red Hat (RHEL) or Fedora system to tell
 
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                # exactly which packages should be installed. Please send
 
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                # patches for other distributions.
 
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                find_path(FEDORA fedora-release /etc)
 
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                find_path(REDHAT redhat-release /etc)
 
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                if (FEDORA OR REDHAT)
 
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                        if (NOT DWARF_INCLUDE_DIR OR NOT LIBDW_INCLUDE_DIR)
 
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                                message(STATUS "Please install the elfutils-devel package")
 
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                        endif (NOT DWARF_INCLUDE_DIR OR NOT LIBDW_INCLUDE_DIR)
 
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                        if (NOT DWARF_LIBRARY)
 
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                                message(STATUS "Please install the elfutils-libs package")
 
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                        endif (NOT DWARF_LIBRARY)
 
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                        if (NOT ELF_LIBRARY)
 
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                                message(STATUS "Please install the elfutils-libelf package")
 
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                        endif (NOT ELF_LIBRARY)
 
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                else (FEDORA OR REDHAT)
 
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                        if (NOT DWARF_INCLUDE_DIR)
 
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                                message(STATUS "Could NOT find dwarf include dir")
 
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                        endif (NOT DWARF_INCLUDE_DIR)
 
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                        if (NOT LIBDW_INCLUDE_DIR)
 
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                                message(STATUS "Could NOT find libdw include dir")
 
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                        endif (NOT LIBDW_INCLUDE_DIR)
 
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                        if (NOT DWARF_LIBRARY)
 
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                                message(STATUS "Could NOT find libdw library")
 
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                        endif (NOT DWARF_LIBRARY)
 
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                        if (NOT ELF_LIBRARY)
 
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                                message(STATUS "Could NOT find libelf library")
 
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                        endif (NOT ELF_LIBRARY)
 
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                endif (FEDORA OR REDHAT)
 
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                message(FATAL_ERROR "Could NOT find some ELF and DWARF libraries, please install the missing packages")
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        endif (DWARF_FIND_REQUIRED)
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endif (DWARF_FOUND)
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mark_as_advanced(DWARF_INCLUDE_DIR LIBDW_INCLUDE_DIR DWARF_LIBRARY ELF_LIBRARY EBL_LIBRARY)
 
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mark_as_advanced(DWARF_INCLUDE_DIR LIBDW_INCLUDE_DIR DWARF_LIBRARY ELF_LIBRARY)
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include_directories(${DWARF_INCLUDE_DIR} ${LIBDW_INCLUDE_DIR})
 
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config.h.cmake ${CMAKE_CURRENT_SOURCE_DIR}/config.h)
 
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message(STATUS "Checking availability of DWARF and ELF development libraries - done")