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sim: run: move linking into top-level

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Automake will run each subdir individually before moving on to the next
one.  This means that the linking phase, a single threaded process, will
not run in parallel with anything else.  When we have to link ~32 ports,
that's 32 link steps that don't take advantage of parallel systems.  On
my really old 4-core system, this cuts a multi-target build from ~60 sec
to ~30 sec.  We eventually want to move all compile+link steps to this
common dir anyways, so might as well move linking now for a nice speedup.

We use noinst_PROGRAMS instead of bin_PROGRAMS because we're taking care
of the install ourselves rather than letting automake process it.
This commit is contained in:
Mike Frysinger
2022-11-03 18:19:13 +07:00
parent 59d8576e4f
commit c0c25232da
40 changed files with 1445 additions and 126 deletions
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9
sim/erc32/Makefile.in
View File

@ -24,7 +24,6 @@ SIM_OBJS = exec.o erc32.o func.o help.o float.o interf.o
SIM_RUN_OBJS = sis.o
SIM_EXTRA_CFLAGS = $(READLINE_CFLAGS)
SIM_EXTRA_LIBS = $(READLINE_LIB) $(TERMCAP_LIB)
SIM_EXTRA_CLEAN = clean-sis
# UARTS run at about 115200 baud (simulator time). Add -DFAST_UART to
# CFLAGS if faster (infinite) UART speed is desired. Might affect the
@ -32,11 +31,3 @@ SIM_EXTRA_CLEAN = clean-sis
SIM_EXTRA_CFLAGS += -DFAST_UART -I$(srcroot)
## COMMON_POST_CONFIG_FRAG
all: sis$(EXEEXT)
sis$(EXEEXT): run$(EXEEXT)
$(SILENCE) rm -f $@
$(ECHO_GEN) ln $< $@ 2>/dev/null || $(LN_S) $< $@ 2>/dev/null || cp -p $< $@
clean-sis:
rm -f sis

17
sim/erc32/local.mk
View File

@ -1,6 +1,8 @@
## See sim/Makefile.am
##
## Copyright (C) 1993-2022 Free Software Foundation, Inc.
## Written by Cygnus Support
## Modified by J.Gaisler ESA/ESTEC
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
@ -15,6 +17,21 @@
## You should have received a copy of the GNU General Public License
## along with this program. If not, see <http://www.gnu.org/licenses/>.
%C%_run_SOURCES =
%C%_run_LDADD = \
%D%/sis.o \
%D%/libsim.a \
$(SIM_COMMON_LIBS) $(READLINE_LIB) $(TERMCAP_LIB)
%D%/sis$(EXEEXT): %D%/run$(EXEEXT)
$(AM_V_GEN)ln $< $@ 2>/dev/null || $(LN_S) $< $@ 2>/dev/null || cp -p $< $@
## Helper targets for running make from the top-level due to run's sis.o.
%D%/%.o: %D%/%.c | %D%/libsim.a $(SIM_ALL_RECURSIVE_DEPS)
$(MAKE) -C $(@D) $(@F)
noinst_PROGRAMS += %D%/run %D%/sis
%C%docdir = $(docdir)/%C%
%C%doc_DATA = %D%/README.erc32 %D%/README.gdb %D%/README.sis