X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/1af4e1f4050add067ac7b83d85e1c946cf4ffc4f..b4a88d7a067354abbe93c7c32264f31d1e461123:/src/OS/Makefile-Linux diff --git a/src/OS/Makefile-Linux b/src/OS/Makefile-Linux index cc8dce728..dfb2fa8e7 100644 --- a/src/OS/Makefile-Linux +++ b/src/OS/Makefile-Linux @@ -1,7 +1,10 @@ -# $Cambridge: exim/src/OS/Makefile-Linux,v 1.4 2008/08/11 15:30:02 fanf2 Exp $ - # Exim: OS-specific make file for Linux. This is for modern Linuxes, # which use libc6. +# Copyright (c) The Exim Maintainers 2020 +# +# For Linux, we assume GNU Make; at time of writing, the only extension +# used is ?= which is actually portable to other maintained Make variants, +# just is not POSIX. HAVE_ICONV=yes @@ -10,12 +13,16 @@ CHOWN_COMMAND=look_for_it CHGRP_COMMAND=look_for_it CHMOD_COMMAND=look_for_it -CFLAGS=-O -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE +# The system cc may be gcc or clang; do not force gcc +CC=cc +# Preserve CFLAGS and CFLAGS_DYNAMIC from the caller/environment +CFLAGS ?= -O -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE +CFLAGS_DYNAMIC ?= -shared -rdynamic DBMLIB = -ldb USE_DB = yes -LIBS = -lnsl -lcrypt -lm +LIBS = -lcrypt -lm LIBRESOLV = -lresolv X11=/usr/X11R6