bbrady1992's answer works for me.
In Centos, $ sudo yum install geany-devel
solves: "checking for GEANY... configure: error: Package requirements (geany >= 1.26) were not met: No package 'geany' found Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix.
Alternatively, you may set the environment variables GEANY_CFLAGS and GEANY_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details."