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# Top-level makefile for Exim; handles creating a build directory with
# appropriate links, and then creating and running the main makefile in that
# directory.
# Copyright (c) The Exim Maintainers 2022 - 2025
# Copyright (c) University of Cambridge, 1995 - 2018
# SPDX-License-Identifier: GPL-2.0-or-later
# See the file NOTICE for conditions of use and distribution.
# IRIX make uses the shell that is in the SHELL variable, which often defaults
# to csh, so put this in to make it use the Bourne shell. In systems where
# /bin/sh is not a Bourne-compatible shell, this line will have to be edited,
# or "make" must be called with a different SHELL= setting.
SHELL=/bin/sh
RM_COMMAND=/bin/rm
# The buildname defaults to "<os-type>-<arch-type>". It can be
# overridden by the "build" parameter when invoking make (e.g. make
# build=xxx) This does not provide an override for the OS type and
# architecture type used during the build process; they still have to be
# used for the OS-specific files. To override them, you can set the
# shell variables OSTYPE and ARCHTYPE when running make.
#
# EXIM_BUILD_SUFFIX gets appended to the buildname. (This enables
# parallel builds on a file system shared among different Linux distros
# (same os-type, same arch-type). The ../test/runtest script honours the
# EXIM_BUILD_SUFFIX when searching the Exim binary.)
buildname=$${build:-`$(SHELL) scripts/os-type`-`$(SHELL) scripts/arch-type`}$${EXIM_BUILD_SUFFIX:+.$$EXIM_BUILD_SUFFIX}
# The default target checks for the existence of Local/Makefile, that the main
# makefile is built and up-to-date, and then it runs it.
# If Local/Makefile-<buildname> exists, it is read too.
all: Local/Makefile configure
@cd build-$(buildname); $(MAKE) SHELL=$(SHELL) $(MFLAGS)
# This pair for the convenience of of the Debian maintainers
exim utils: Local/Makefile configure
@cd build-$(buildname); $(MAKE) SHELL=$(SHELL) $(MFLAGS) $@
# For testsuite builds
exim_openssl exim_gnutls: Local/Makefile configure
@cd build-$(buildname); $(MAKE) SHELL=$(SHELL) $(MFLAGS) $@
Local/Makefile:
@echo ""
@echo "*** Please create Local/Makefile by copying src/EDITME and making"
@echo "*** appropriate changes for your site."
@echo ""
@test ! -d Local && mkdir Local
@false
# This is separated off so that "make build-directory" can be obeyed on
# its own if necessary.
# XXX would be nice to get this rebuilt if scripts/MakeLinks changes
build-directory:
@builddir=build-$(buildname); \
case "$$builddir" in *UnKnown*) exit 1;; esac; \
$(SHELL) -c "test -d $$builddir -a -r $$builddir/version.c || \
(mkdir $$builddir; cd $$builddir; $(SHELL) ../scripts/MakeLinks)";
checks:
$(SHELL) scripts/source_checks
# The "configure" target ensures that the build directory exists, then arranges
# to build the main makefile from inside the build directory, by calling the
# Configure-Makefile script. This does its own dependency checking because of
# the optional files.
configure: checks build-directory \
scripts/lookups-Makefile scripts/drivers-Makefile
@cd build-$(buildname); \
build=$(build) $(SHELL) ../scripts/Configure-Makefile
# The "makefile" target forces a rebuild of the makefile (as opposed to
# "configure", which doesn't force it).
makefile: build-directory
@cd build-$(buildname); $(RM_COMMAND) -f Makefile; \
build=$(build) $(SHELL) ../scripts/Configure-Makefile
# The installation commands are kept in a separate script, which expects
# to be run from inside the build directory.
install: all
@cd build-$(buildname); \
build=$(build) $(SHELL) ../scripts/exim_install $(INSTALL_ARG)
# For testing only; the version number is a dummy.
# The build for release is done by the release-process script "mk_exim_release"
doc: FRC
cd ../doc/doc-docbook; $(MAKE) EXIM_VER=0 everything
# Tidy-up targets
clean_exim:; cd build-$(buildname); \
$(RM_COMMAND) -f *.o; \
for d in lookups auths routers transports miscmods; do \
$(RM_COMMAND) -f $$d/*.{o,a,so}; \
done; \
$(RM_COMMAND) -fr dynmodules
clean_doc: FRC
cd ../doc/doc-docbook; \
$(RM_COMMAND) -f {filter,spec}*.{pdf,ps,txt,html,xml}
clean: clean_exim clean_doc
@echo ""; echo '*** "make clean" just removes all .o and .a files'
@echo '*** Use "make makefile" to force a rebuild of the makefile'
@echo ""
distclean: clean_doc
$(RM_COMMAND) -rf build-* cscope*
cscope.files: FRC
echo "-q" > $@
echo "-p3" >> $@
-bd=build-$(buildname); [ -d $$bd ] && echo -e "$$bd/config.h\n$$bd/Makefile" >> $@
find src Local OS exim_monitor -name "*.[cshyl]" -print \
-o -name "os.[ch]*" -print \
-o -name "*akefile*" -print \
-o -name config.h.defaults -print \
-o -name EDITME -print >> $@
FRC:
# End of top-level makefile
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