dnl $Id: m4.init,v 10.22 2005/10/22 13:08:23 bostic Exp $ dnl The GNU m4 builtin macro format is recognized even without arguments. dnl This is an m4 bug, hopefully fixed in the next release. undefine(`format') dnl Some GNU m4 releases have a builtin macro symbols. undefine(`symbols') dnl We use our own quote characters to make things a bit easier. changequote([,]) dnl ################################################################### dnl Paths. dnl dnl _m4_api is the path to any API references. It's set to C++ if building dnl the C++ API, and to C if building the C API or sections shared by all dnl APIs, for example, the Reference Guide. dnl dnl _m4_ipath is the path to the index file we're building. It's set to the dnl real API if we're building one, and to an everything-else file, if we're dnl not. dnl ################################################################### define(_m4_api, [ifelse(M4API, CXX_API, [M4RELDIR/api_cxx], [M4RELDIR/api_c])]) define(_m4_ipath, [ifelse(dnl M4API, CXX_API, [M4RELDIR/api_cxx/pindex.src], M4API, C_API, [M4RELDIR/api_c/pindex.src], M4API, TCL_API, [M4RELDIR/api_tcl/pindex.src], [M4RELDIR/ref/pindex.src])]) dnl Set the path of the API index define(m4_iurl, [dnl ifelse(M4PRODUCT, XML, [dnl ifelse(M4API, CXX_API, [M4RELDIR/api_cxx/api_xml.html], M4API, TCL_API, [M4RELDIR/api_tcl/api_tcl.html], [M4RELDIR/api_c/api_xml.html])], [dnl ifelse(M4API, CXX_API, [M4RELDIR/api_cxx/api_core.html], M4API, TCL_API, [M4RELDIR/api_tcl/api_tcl.html], [M4RELDIR/api_c/api_core.html])])]) dnl ################################################################### dnl Exception style. dnl dnl The C engine has returns; the C++ core engine has exceptions and return dnl values, but DbXml only has exceptions. dnl ################################################################### define(M4EXCEPT, ifelse(M4PRODUCT, XML, except_only, M4API, CXX_API, except_return, return_only))