freeswitch/cmake_modules/FindAPR.cmake

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# Locate APR include paths and libraries
# This module defines
# APR_INCLUDES, where to find apr.h, etc.
# APR_LIBS, the libraries to link against to use APR.
# APR_FLAGS, the flags to use to compile
# APR_DEFINITIONS, definitions to use when compiling code that uses APR.
# APR_FOUND, set to 'yes' if found
find_program(APR_CONFIG_EXECUTABLE
apr-1-config
/usr/local/apr/1.2.12/bin
/usr/local/bin
/usr/bin
C:/Progra~1/apr/bin
)
mark_as_advanced(APR_CONFIG_EXECUTABLE)
macro(_apr_invoke _varname _regexp)
execute_process(
COMMAND ${APR_CONFIG_EXECUTABLE} ${ARGN}
OUTPUT_VARIABLE _apr_output
RESULT_VARIABLE _apr_failed
)
if(_apr_failed)
message(FATAL_ERROR "apr-1-config ${ARGN} failed")
else(_apr_failed)
string(REGEX REPLACE "[\r\n]" "" _apr_output "${_apr_output}")
string(REGEX REPLACE " +$" "" _apr_output "${_apr_output}")
if(NOT ${_regexp} STREQUAL "")
string(REGEX REPLACE "${_regexp}" " " _apr_output "${_apr_output}")
endif(NOT ${_regexp} STREQUAL "")
separate_arguments(_apr_output)
set(${_varname} "${_apr_output}")
endif(_apr_failed)
endmacro(_apr_invoke)
_apr_invoke(APR_INCLUDES "(^| )-I" --includes)
_apr_invoke(APR_FLAGS --cppflags --cflags)
_apr_invoke(APR_EXTRALIBS "(^| )-l" --libs)
_apr_invoke(APR_LIBS "" --link-ld)
if(APR_INCLUDES AND APR_EXTRALIBS AND APR_LIBS)
set(APR_FOUND "YES")
message (STATUS "apr found: YES ${APR_LIBS}")
endif(APR_INCLUDES AND APR_EXTRALIBS AND APR_LIBS)