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Diffstat (limited to 'config/prelude.mk')
| -rw-r--r-- | config/prelude.mk | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/config/prelude.mk b/config/prelude.mk deleted file mode 100644 index e1e7a4d..0000000 --- a/config/prelude.mk +++ /dev/null @@ -1,170 +0,0 @@ -# Copyright © Tavian Barnes <tavianator@tavianator.com> -# SPDX-License-Identifier: 0BSD - -# Common makefile utilities. Compatible with both GNU make and most BSD makes. - -# BSD make will chdir into ${.OBJDIR} by default, unless we tell it not to -.OBJDIR: . - -# We don't use any suffix rules -.SUFFIXES: - -# GNU make has $^ for the full list of targets, while BSD make has $> and the -# long-form ${.ALLSRC}. We could write $^ $> to get them both, but that would -# break if one of them implemented support for the other. So instead, bring -# BSD's ${.ALLSRC} to GNU. -.ALLSRC ?= $^ - -# For out-of-tree builds, e.g. -# -# $ make config BUILDDIR=/path/to/build/dir -# $ make BUILDDIR=/path/to/build/dir -BUILDDIR ?= . - -# Shorthand for build subdirectories -BIN := ${BUILDDIR}/bin -GEN := ${BUILDDIR}/gen -OBJ := ${BUILDDIR}/obj - -# GNU make strips a leading ./ from target names, so do the same for BSD make -BIN := ${BIN:./%=%} -GEN := ${GEN:./%=%} -OBJ := ${OBJ:./%=%} - -# The configuration file generated by `make config` -CONFIG := ${GEN}/config.mk - -# Installation paths -DESTDIR ?= -PREFIX ?= /usr -MANDIR ?= ${PREFIX}/share/man - -# GNU make supports `export VAR`, but BSD make requires `export VAR=value`. -# Sadly, GNU make gives a recursion error on `export VAR=${VAR}`. -_BUILDDIR := ${BUILDDIR} -export BUILDDIR=${_BUILDDIR} - -# Configurable executables; can be overridden with -# -# $ make config CC=clang -CC ?= cc -INSTALL ?= install -MKDIR ?= mkdir -p -PKG_CONFIG ?= pkg-config -RM ?= rm -f - -# GNU and BSD make have incompatible syntax for conditionals, but we can do a -# lot with just nested variable expansion. We use "y" as the canonical -# truthy value, and "" (the empty string) as the canonical falsey value. -# -# To normalize a boolean, use ${TRUTHY,${VAR}}, which expands like this: -# -# VAR=y ${TRUTHY,${VAR}} => ${TRUTHY,y} => y -# VAR=1 ${TRUTHY,${VAR}} => ${TRUTHY,1} => y -# VAR=n ${TRUTHY,${VAR}} => ${TRUTHY,n} => [empty] -# VAR=other ${TRUTHY,${VAR}} => ${TRUTHY,other} => [empty] -# VAR= ${TRUTHY,${VAR}} => ${TRUTHY,} => [emtpy] -# -# Inspired by https://github.com/wahern/autoguess -TRUTHY,y := y -TRUTHY,1 := y - -# Boolean operators are also implemented with nested expansion -NOT,y := -NOT, := y - -# Support up to 5 arguments -AND,y := y -AND,y,y := y -AND,y,y,y := y -AND,y,y,y,y := y -AND,y,y,y,y,y := y - -# NOR can be defined without combinatorial explosion. -# OR is just ${NOT,${NOR,...}} -NOR, := y -NOR,, := y -NOR,,, := y -NOR,,,, := y -NOR,,,,, := y - -# Normalize ${V} to either "y" or "" -IS_V := ${TRUTHY,${V}} - -# Suppress output unless V=1 -Q, := @ -Q := ${Q,${IS_V}} - -# The current target, with ${BUILDDIR} stripped for shorter messages -TGT = ${@:${BUILDDIR}/%=%} - -# Show full commands with `make V=1`, otherwise short summaries -MSG = @msg() { \ - MSG="$$1"; \ - shift; \ - test "${IS_V}" || printf '%s\n' "$$MSG"; \ - test "$${1:-}" || return 0; \ - test "${IS_V}" && printf '%s\n' "$$*"; \ - "$$@"; \ - }; \ - msg - -# Maximum width of a short message, to align the ✔/✘ -MSG_WIDTH := 33 - -# cat a file if V=1 -VCAT,y := @cat -VCAT, := @: -VCAT := ${VCAT,${IS_V}} - -# List all object files here, as they're needed by both `make config` and `make` - -# All object files except the entry point -LIBBFS := \ - ${OBJ}/src/alloc.o \ - ${OBJ}/src/bar.o \ - ${OBJ}/src/bfstd.o \ - ${OBJ}/src/bftw.o \ - ${OBJ}/src/color.o \ - ${OBJ}/src/ctx.o \ - ${OBJ}/src/diag.o \ - ${OBJ}/src/dir.o \ - ${OBJ}/src/dstring.o \ - ${OBJ}/src/eval.o \ - ${OBJ}/src/exec.o \ - ${OBJ}/src/expr.o \ - ${OBJ}/src/fsade.o \ - ${OBJ}/src/ioq.o \ - ${OBJ}/src/mtab.o \ - ${OBJ}/src/opt.o \ - ${OBJ}/src/parse.o \ - ${OBJ}/src/printf.o \ - ${OBJ}/src/pwcache.o \ - ${OBJ}/src/stat.o \ - ${OBJ}/src/thread.o \ - ${OBJ}/src/trie.o \ - ${OBJ}/src/typo.o \ - ${OBJ}/src/xregex.o \ - ${OBJ}/src/xspawn.o \ - ${OBJ}/src/xtime.o \ - ${OBJ}/gen/version.o - -# Unit test objects -UNIT_OBJS := \ - ${OBJ}/tests/alloc.o \ - ${OBJ}/tests/bfstd.o \ - ${OBJ}/tests/bit.o \ - ${OBJ}/tests/ioq.o \ - ${OBJ}/tests/main.o \ - ${OBJ}/tests/trie.o \ - ${OBJ}/tests/xspawn.o \ - ${OBJ}/tests/xtime.o - -# All object files -OBJS := \ - ${OBJ}/src/main.o \ - ${OBJ}/tests/mksock.o \ - ${OBJ}/tests/xspawnee.o \ - ${OBJ}/tests/xtouch.o \ - ${LIBBFS} \ - ${UNIT_OBJS} |