#
#
# Locate Sphinx documentation generator
#
# This module accepts the following environment variables:
#
#    SPHINX_DIR or SPHINX_ROOT - Specify the location of Sphinx
#
# This module defines the following CMake variables:
#
#    SPHINX_FOUND - True if sphinx-build is found
#    SPHINX_EXECUTABLE - A variable pointing to sphinx-build

if (DEFINED SPHINX_ROOT AND NOT SPHINX_ROOT)
	set (SPHINX_EXECUTABLE "" CACHE INTERNAL "")
	return ()
endif (DEFINED SPHINX_ROOT AND NOT SPHINX_ROOT)

find_program (SPHINX_EXECUTABLE sphinx-build
	HINTS
	${SPHINX_DIR}
	${SPHINX_ROOT}
	$ENV{SPHINX_DIR}
	$ENV{SPHINX_ROOT}
	PATH_SUFFIXES bin
	PATHS
	/sw # Fink
	/opt/local # DarwinPorts
	/opt/csw # Blastwave
	/opt
	/usr/local
	DOC "Sphinx documentation generator"
)

include (FindPackageHandleStandardArgs)
find_package_handle_standard_args (Sphinx DEFAULT_MSG SPHINX_EXECUTABLE)

mark_as_advanced (SPHINX_EXECUTABLE)