diff options
Diffstat (limited to 'cmake/pkg-utils.cmake')
| -rw-r--r-- | cmake/pkg-utils.cmake | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/cmake/pkg-utils.cmake b/cmake/pkg-utils.cmake index fabccdd26..c21f3dc2f 100644 --- a/cmake/pkg-utils.cmake +++ b/cmake/pkg-utils.cmake @@ -249,24 +249,32 @@ function(get_pkgconf_variable) message(FATAL_ERROR "get_pkgconf_variable: pkg-config was not found - can't use it to fetch variables") endif() - if(GET_PKGCONF_VAR_DEBUG) - message(STATUS "get_pkgconf_variable: Searching for \"${GET_PKGCONF_VAR_VARIABLE_NAME}\" in module \"${GET_PKGCONF_VAR_MODULE}\"") - endif() + pkg_search_module("${GET_PKGCONF_VAR_MODULE}" QUIET) + if(NOT ${GET_PKGCONF_VAR_MODULE}_FOUND) + if(GET_PKGCONF_VAR_DEBUG) + message(STATUS "Unable to find module \"${GET_PKGCONF_VAR_MODULE}\" via pkg-conf") + set(VAR_VALUE "NOTFOUND") + endif() + else() + if(GET_PKGCONF_VAR_DEBUG) + message(STATUS "get_pkgconf_variable: Searching for \"${GET_PKGCONF_VAR_VARIABLE_NAME}\" in module \"${GET_PKGCONF_VAR_MODULE}\"") + endif() - pkg_get_variable(VAR_VALUE "${GET_PKGCONF_VAR_MODULE}" "${GET_PKGCONF_VAR_VARIABLE_NAME}") + pkg_get_variable(VAR_VALUE "${GET_PKGCONF_VAR_MODULE}" "${GET_PKGCONF_VAR_VARIABLE_NAME}") - if(NOT VAR_VALUE AND GET_PKGCONF_VAR_VARIABLE_NAME MATCHES ".*_.*") - # There seems to be a difference between pkgconf and pkg-config where one uses underscores - # in variable names, whereas the other does not. We assume that VAR_NAME is the version with - # the underscores, so if that failed to fetch a value, we try again without the underscores. - string(REPLACE "_" "" VAR_NAME_WITHOUT_UNDERSCORES "${GET_PKGCONF_VAR_VARIABLE_NAME}") + if(NOT VAR_VALUE AND GET_PKGCONF_VAR_VARIABLE_NAME MATCHES ".*_.*") + # There seems to be a difference between pkgconf and pkg-config where one uses underscores + # in variable names, whereas the other does not. We assume that VAR_NAME is the version with + # the underscores, so if that failed to fetch a value, we try again without the underscores. + string(REPLACE "_" "" VAR_NAME_WITHOUT_UNDERSCORES "${GET_PKGCONF_VAR_VARIABLE_NAME}") - if(GET_PKGCONF_VAR_DEBUG) - message(STATUS "get_pkgconf_variable: Removed underscores from variable name") - message(STATUS "get_pkgconf_variable: Now searching for variable \"${VAR_NAME_WITHOUT_UNDERSCORES}\"") - endif() + if(GET_PKGCONF_VAR_DEBUG) + message(STATUS "get_pkgconf_variable: Removed underscores from variable name") + message(STATUS "get_pkgconf_variable: Now searching for variable \"${VAR_NAME_WITHOUT_UNDERSCORES}\"") + endif() - pkg_get_variable(VAR_VALUE "${GET_PKGCONF_VAR_MODULE}" "${VAR_NAME_WITHOUT_UNDERSCORES}") + pkg_get_variable(VAR_VALUE "${GET_PKGCONF_VAR_MODULE}" "${VAR_NAME_WITHOUT_UNDERSCORES}") + endif() endif() if(NOT VAR_VALUE) |