configure:23867: result: no
configure:23909: checking for gecko version
configure:23972: result: 1.8
configure:24068: checking for GECKO
configure:24076: $PKG_CONFIG --exists --print-errors "${gecko_cv_gecko}-xpcom >= $min_version $gecko_cv_extra_pkg_dependencies"
Requested 'firefox-xpcom >= firefox-gtkmozembed' but version of XPCOM is 1.5.0.1
configure:24079: $? = 1
configure:24094: $PKG_CONFIG --exists --print-errors "${gecko_cv_gecko}-xpcom >= $min_version $gecko_cv_extra_pkg_dependencies"
Requested 'firefox-xpcom >= firefox-gtkmozembed' but version of XPCOM is 1.5.0.1
configure:24097: $? = 1
Requested 'firefox-xpcom >= firefox-gtkmozembed' but version of XPCOM is 1.5.0.1
configure:24135: error: Package requirements (firefox-xpcom >=  firefox-gtkmozembed) were not met:

Requested 'firefox-xpcom >= firefox-gtkmozembed' but version of XPCOM is 1.5.0.1

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively, you may set the environment variables GECKO_CFLAGS
and GECKO_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.