+if $(PDCLIB_TOOLCHAIN) = "" {\r
+ local __ccparts = [ SPLIT $(CC) : "-" ] ;\r
+ if $(JAM_TOOLSET) = "MINGW" || "gcc" in $(__ccparts) \r
+ || "clang" in $(__ccparts) {\r
+ # GCC / GCC-alike\r
+ PDCLIB_TOOLCHAIN = "gcc" ;\r
+ } else if $(JAM_TOOLSET) != "" {\r
+ PDCLIB_TOOLCHAIN = $(JAM_TOOLSET) ;\r
+ } else {\r
+ ECHO PDCLIB_TOOLCHAIN is unset and I can't glean what toolset is being ;\r
+ ECHO used from your environment. Please set it. ;\r
+ EXIT ;\r
+ }\r
+}\r