cmake: bail out if the source tree has been configured...

[cln.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9736c77082f855eb38b1a994dcc93faf93315ff2..c89ae1c9cbb7d69ac0d09e37b280f7a307760860 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,6 +19,13 @@ math(EXPR libcln_soversion "${cl_lt_current} - ${cl_lt_age}")
 set(libcln_version ${libcln_soversion}.${cl_lt_age}.${cl_lt_revision})
 option(CLN_USE_GMP "Use GMP low level routines" ON)
 
+if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/config.status
+               OR EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/libtool)
+       message(FATAL_ERROR
+               "Source directory has been already configured by configure script. "
+               "Please run `make distclean` in ${CMAKE_CURRENT_SOURCE_DIR} and try again."
+       )
+endif()
 include(GNUInstallDirs)
 
 set(cl_config_files