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More correct way to find GLib2 and GThread2.
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Modules from the KDE ECM project. This fixes build on FreeBSD.
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@mikhirev @Conan-Kudo
mikhirev authored and Conan-Kudo committed Feb 14, 2020
1 parent 782ffa9 commit 840bde0
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4 changes: 4 additions & 0 deletions CMakeLists.txt
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Expand Up @@ -47,9 +47,13 @@ find_package(ZLIB REQUIRED)

# Add include dirs

include_directories(${BZIP2_INCLUDE_DIRS})
include_directories(${CURL_INCLUDE_DIRS})
include_directories(${EXPAT_INCLUDE_DIRS})
include_directories(${GLIB2_INCLUDE_DIRS})
include_directories(${LIBXML2_INCLUDE_DIR})
include_directories(${OPENSSL_INCLUDE_DIR})
include_directories(${ZLIB_INCLUDE_DIR})


IF (RPM_PATH)
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323 changes: 94 additions & 229 deletions cmake/Modules/FindGLIB2.cmake
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@@ -1,235 +1,100 @@
# - Try to find GLib2
# Once done this will define
#.rst:
# FindGLIB2
# ---------
#
# GLIB2_FOUND - system has GLib2
# GLIB2_INCLUDE_DIRS - the GLib2 include directory
# GLIB2_LIBRARIES - Link these to use GLib2
# Try to locate the GLib2 library.
# If found, this will define the following variables:
#
# HAVE_GLIB_GREGEX_H glib has gregex.h header and
# supports g_regex_match_simple
# ``GLIB2_FOUND``
# True if the GLib2 library is available
# ``GLIB2_INCLUDE_DIRS``
# The GLib2 include directories
# ``GLIB2_LIBRARIES``
# The GLib2 libraries for linking
# ``GLIB2_INCLUDE_DIR``
# Deprecated, use ``GLIB2_INCLUDE_DIRS``
# ``GLIB2_LIBRARY``
# Deprecated, use ``GLIB2_LIBRARIES``
#
# Copyright (c) 2006 Andreas Schneider <[email protected]>
# Copyright (c) 2006 Philippe Bernery <[email protected]>
# Copyright (c) 2007 Daniel Gollub <[email protected]>
# Copyright (c) 2007 Alban Browaeys <[email protected]>
# Copyright (c) 2008 Michael Bell <[email protected]>
# Copyright (c) 2008-2009 Bjoern Ricks <[email protected]>
# If ``GLIB2_FOUND`` is TRUE, it will also define the following
# imported target:
#
# Redistribution and use is allowed according to the terms of the New
# BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
# ``GLIB2::GLIB2``
# The GLIB2 library
#
# Since 5.41.0.


IF (GLIB2_LIBRARIES AND GLIB2_INCLUDE_DIRS )
# in cache already
SET(GLIB2_FOUND TRUE)
ELSE (GLIB2_LIBRARIES AND GLIB2_INCLUDE_DIRS )

INCLUDE(FindPkgConfig)

## Glib
IF ( GLIB2_FIND_REQUIRED )
SET( _pkgconfig_REQUIRED "REQUIRED" )
ELSE ( GLIB2_FIND_REQUIRED )
SET( _pkgconfig_REQUIRED "" )
ENDIF ( GLIB2_FIND_REQUIRED )

IF ( GLIB2_MIN_VERSION )
PKG_SEARCH_MODULE( GLIB2 ${_pkgconfig_REQUIRED} glib-2.0>=${GLIB2_MIN_VERSION} )
ELSE ( GLIB2_MIN_VERSION )
PKG_SEARCH_MODULE( GLIB2 ${_pkgconfig_REQUIRED} glib-2.0 )
ENDIF ( GLIB2_MIN_VERSION )
IF ( PKG_CONFIG_FOUND )
IF ( GLIB2_FOUND )
SET ( GLIB2_CORE_FOUND TRUE )
ELSE ( GLIB2_FOUND )
SET ( GLIB2_CORE_FOUND FALSE )
ENDIF ( GLIB2_FOUND )
ENDIF ( PKG_CONFIG_FOUND )

# Look for glib2 include dir and libraries w/o pkgconfig
IF ( NOT GLIB2_FOUND AND NOT PKG_CONFIG_FOUND )
FIND_PATH(
_glibconfig_include_DIR
NAMES
glibconfig.h
PATHS
/opt/gnome/lib64
/opt/gnome/lib
/opt/lib/
/opt/local/lib
/sw/lib/
/usr/lib64
/usr/lib
/usr/local/include
${CMAKE_LIBRARY_PATH}
PATH_SUFFIXES
glib-2.0/include
)

FIND_PATH(
_glib2_include_DIR
NAMES
glib.h
PATHS
/opt/gnome/include
/opt/local/include
/sw/include
/usr/include
/usr/local/include
PATH_SUFFIXES
glib-2.0
)

#MESSAGE(STATUS "Glib headers: ${_glib2_include_DIR}")

FIND_LIBRARY(
_glib2_link_DIR
NAMES
glib-2.0
glib
PATHS
/opt/gnome/lib
/opt/local/lib
/sw/lib
/usr/lib
/usr/local/lib
)
IF ( _glib2_include_DIR AND _glib2_link_DIR )
SET ( _glib2_FOUND TRUE )
ENDIF ( _glib2_include_DIR AND _glib2_link_DIR )


IF ( _glib2_FOUND )
SET ( GLIB2_INCLUDE_DIRS ${_glib2_include_DIR} ${_glibconfig_include_DIR} )
SET ( GLIB2_LIBRARIES ${_glib2_link_DIR} )
SET ( GLIB2_CORE_FOUND TRUE )
ELSE ( _glib2_FOUND )
SET ( GLIB2_CORE_FOUND FALSE )
ENDIF ( _glib2_FOUND )

# Handle dependencies
# libintl
IF ( NOT LIBINTL_FOUND )
FIND_PATH(LIBINTL_INCLUDE_DIR
NAMES
libintl.h
PATHS
/opt/gnome/include
/opt/local/include
/sw/include
/usr/include
/usr/local/include
)

FIND_LIBRARY(LIBINTL_LIBRARY
NAMES
intl
PATHS
/opt/gnome/lib
/opt/local/lib
/sw/lib
/usr/local/lib
/usr/lib
)

IF (LIBINTL_LIBRARY AND LIBINTL_INCLUDE_DIR)
SET (LIBINTL_FOUND TRUE)
ENDIF (LIBINTL_LIBRARY AND LIBINTL_INCLUDE_DIR)
ENDIF ( NOT LIBINTL_FOUND )

# libiconv
IF ( NOT LIBICONV_FOUND )
FIND_PATH(LIBICONV_INCLUDE_DIR
NAMES
iconv.h
PATHS
/opt/gnome/include
/opt/local/include
/opt/local/include
/sw/include
/sw/include
/usr/local/include
/usr/include
PATH_SUFFIXES
glib-2.0
)

FIND_LIBRARY(LIBICONV_LIBRARY
NAMES
iconv
PATHS
/opt/gnome/lib
/opt/local/lib
/sw/lib
/usr/lib
/usr/local/lib
)

IF (LIBICONV_LIBRARY AND LIBICONV_INCLUDE_DIR)
SET (LIBICONV_FOUND TRUE)
ENDIF (LIBICONV_LIBRARY AND LIBICONV_INCLUDE_DIR)
ENDIF ( NOT LIBICONV_FOUND )

IF (LIBINTL_FOUND)
SET (GLIB2_LIBRARIES ${GLIB2_LIBRARIES} ${LIBINTL_LIBRARY})
SET (GLIB2_INCLUDE_DIRS ${GLIB2_INCLUDE_DIRS} ${LIBINTL_INCLUDE_DIR})
ENDIF (LIBINTL_FOUND)

IF (LIBICONV_FOUND)
SET (GLIB2_LIBRARIES ${GLIB2_LIBRARIES} ${LIBICONV_LIBRARY})
SET (GLIB2_INCLUDE_DIRS ${GLIB2_INCLUDE_DIRS} ${LIBICONV_INCLUDE_DIR})
ENDIF (LIBICONV_FOUND)

ENDIF ( NOT GLIB2_FOUND AND NOT PKG_CONFIG_FOUND )
##

IF (GLIB2_CORE_FOUND AND GLIB2_INCLUDE_DIRS AND GLIB2_LIBRARIES)
SET (GLIB2_FOUND TRUE)
ENDIF (GLIB2_CORE_FOUND AND GLIB2_INCLUDE_DIRS AND GLIB2_LIBRARIES)

IF (GLIB2_FOUND)
IF (NOT GLIB2_FIND_QUIETLY)
MESSAGE (STATUS "Found GLib2: ${GLIB2_LIBRARIES} ${GLIB2_INCLUDE_DIRS}")
ENDIF (NOT GLIB2_FIND_QUIETLY)
ELSE (GLIB2_FOUND)
IF (GLIB2_FIND_REQUIRED)
MESSAGE (SEND_ERROR "Could not find GLib2")
ENDIF (GLIB2_FIND_REQUIRED)
ENDIF (GLIB2_FOUND)

# show the GLIB2_INCLUDE_DIRS and GLIB2_LIBRARIES variables only in the advanced view
MARK_AS_ADVANCED(GLIB2_INCLUDE_DIRS GLIB2_LIBRARIES)
MARK_AS_ADVANCED(LIBICONV_INCLUDE_DIR LIBICONV_LIBRARY)
MARK_AS_ADVANCED(LIBINTL_INCLUDE_DIR LIBINTL_LIBRARY)

ENDIF (GLIB2_LIBRARIES AND GLIB2_INCLUDE_DIRS)

IF ( WIN32 )
# include libiconv for win32
IF ( NOT LIBICONV_FOUND )
FIND_PATH(LIBICONV_INCLUDE_DIR iconv.h PATH_SUFFIXES glib-2.0)

FIND_LIBRARY(LIBICONV_LIBRARY NAMES iconv)

IF (LIBICONV_LIBRARY AND LIBICONV_INCLUDE_DIR)
SET (LIBICONV_FOUND TRUE)
ENDIF (LIBICONV_LIBRARY AND LIBICONV_INCLUDE_DIR)
ENDIF ( NOT LIBICONV_FOUND )
IF (LIBICONV_FOUND)
SET (GLIB2_LIBRARIES ${GLIB2_LIBRARIES} ${LIBICONV_LIBRARY})
SET (GLIB2_INCLUDE_DIRS ${GLIB2_INCLUDE_DIRS} ${LIBICONV_INCLUDE_DIR})
ENDIF (LIBICONV_FOUND)
ENDIF ( WIN32 )

IF ( GLIB2_FOUND )
# Check if system has a newer version of glib
# which supports g_regex_match_simple
INCLUDE( CheckIncludeFiles )
SET( CMAKE_REQUIRED_INCLUDES ${GLIB2_INCLUDE_DIRS} )
CHECK_INCLUDE_FILES ( glib/gregex.h HAVE_GLIB_GREGEX_H )
CHECK_INCLUDE_FILES ( glib/gchecksum.h HAVE_GLIB_GCHECKSUM_H )
# Reset CMAKE_REQUIRED_INCLUDES
SET( CMAKE_REQUIRED_INCLUDES "" )
ENDIF( GLIB2_FOUND )
#=============================================================================
# Copyright (c) 2008 Laurent Montel, <[email protected]>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#=============================================================================

find_package(PkgConfig)
pkg_check_modules(PC_GLIB2 QUIET glib-2.0)

find_path(GLIB2_INCLUDE_DIRS
NAMES glib.h
HINTS ${PC_GLIB2_INCLUDEDIR}
PATH_SUFFIXES glib-2.0)

find_library(GLIB2_LIBRARIES
NAMES glib-2.0
HINTS ${PC_GLIB2_LIBDIR}
)

# search the glibconfig.h include dir under the same root where the library is found
get_filename_component(glib2LibDir "${GLIB2_LIBRARIES}" PATH)

find_path(GLIB2_INTERNAL_INCLUDE_DIR glibconfig.h
PATH_SUFFIXES glib-2.0/include
HINTS ${PC_GLIB2_INCLUDEDIR} "${glib2LibDir}" ${CMAKE_SYSTEM_LIBRARY_PATH})

# not sure if this include dir is optional or required
# for now it is optional
if(GLIB2_INTERNAL_INCLUDE_DIR)
list(APPEND GLIB2_INCLUDE_DIRS "${GLIB2_INTERNAL_INCLUDE_DIR}")
endif()

# Deprecated synonyms
set(GLIB2_INCLUDE_DIR "${GLIB2_INCLUDE_DIRS}")
set(GLIB2_LIBRARY "${GLIB2_LIBRARIES}")

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GLIB2 DEFAULT_MSG GLIB2_LIBRARIES GLIB2_INCLUDE_DIRS)

if(GLIB2_FOUND AND NOT TARGET GLIB2::GLIB2)
add_library(GLIB2::GLIB2 UNKNOWN IMPORTED)
set_target_properties(GLIB2::GLIB2 PROPERTIES
IMPORTED_LOCATION "${GLIB2_LIBRARIES}"
INTERFACE_INCLUDE_DIRECTORIES "${GLIB2_INCLUDE_DIRS}")
endif()

mark_as_advanced(GLIB2_INCLUDE_DIRS GLIB2_INCLUDE_DIR
GLIB2_LIBRARIES GLIB2_LIBRARY)

include(FeatureSummary)
set_package_properties(GLIB2 PROPERTIES
URL "https://wiki.gnome.org/Projects/GLib"
DESCRIPTION "Event loop and utility library")
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