# Makefile for GNU F77 compiler runtime.
-# Copyright (C) 1995-1998 Free Software Foundation, Inc.
+# Copyright (C) 1995-1998, 2001, 2002, 2003 Free Software Foundation, Inc.
# Contributed by Dave Love (d.love@dl.ac.uk).
#
#This file is part of GNU Fortran.
#the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#02111-1307, USA.
-SHELL = /bin/sh
+SHELL = @SHELL@
+PWD_COMMAND = $${PWDCMD-pwd}
+MAKEOVERRIDES=
+.NOEXPORTS:
#### Start of system configuration section. ####
-srcdir = @srcdir@
-VPATH = @srcdir@
+srcdir = @glibcpp_srcdir@
+VPATH = @glibcpp_srcdir@
prefix = @prefix@
exec_prefix = @exec_prefix@
target_alias = @target_alias@
gcc_version = @gcc_version@
gcc_version_trigger = @gcc_version_trigger@
+top_srcdir = @top_srcdir@
+toplevel_srcdir = @toplevel_srcdir@
+toolexecdir = @glibcpp_toolexecdir@
+glibcpp_toolexecdir = @glibcpp_toolexecdir@
+glibcpp_toolexeclibdir = @glibcpp_toolexeclibdir@
+
+top_builddir = .
libdir = $(exec_prefix)/lib
libsubdir = $(libdir)/gcc-lib/$(target_alias)/$(gcc_version)
+#
+# Versions should start at 0:0:0 - See libtool manual.
+VERSION_MAJOR=0
+VERSION_MINOR=0
+VERSION_SUB=0
# Multilib support variables.
MULTISRCTOP =
MULTICLEAN = true
# Not configured per top-level version, since that doesn't get passed
+# Versions should start at 0:0:0 - See libtool manual.
# down at configure time, but overrridden by the top-level install
# target.
INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_DATA = @INSTALL_DATA@
-AR = @AR@
-AR_FLAGS = rc
-
-RANLIB = @RANLIB@
-
+LIBTOOL = @LIBTOOL@
CC = @CC@
+WARN_CFLAGS = -W -Wall
CFLAGS = @CFLAGS@
+AR = @AR@
+RANLIB = @RANLIB@
# List of variables to pass to sub-makes.
# Quote this way so that it can be used to set shell variables too.
-# Currently no use for PICFLAG, RUNTESTFLAGS -- check usage.
FLAGS_TO_PASS= \
CC='$(CC)' \
+ LD='$(LD)' \
+ LIBTOOL='$(LIBTOOL)' \
+ WARN_CFLAGS='$(WARN_CFLAGS)' \
CFLAGS='$(CFLAGS)' \
CPPFLAGS='$(CPPFLAGS)' \
+ DESTDIR='$(DESTDIR)' \
AR='$(AR)' \
RANLIB='$(RANLIB)' \
- PICFLAG='$(PICFLAG)' \
- RUNTESTFLAGS='$(RUNTESTFLAGS)'
+ prefix='$(prefix)' \
+ exec_prefix='$(exec_prefix)' \
+ libdir='$(libdir)' \
+ libsubdir='$(libsubdir)' \
+ tooldir='$(tooldir)'
-LIBG2C = libg2c.a
+LIBG2C_BASE = libg2c
+LIBG2C = $(LIBG2C_BASE).la
SUBDIRS = libI77 libF77 libU77
F2CEXT = abort derf derfc ef1asc ef1cmc erf erfc exit getarg getenv iargc \
signal system flush ftell fseek access besj0 besj1 besjn besy0 besy1 \
- besyn chdir chmod ctime date dbesj0 dbesj1 dbesjn dbesy0 dbesy1 dbesyn \
+ besyn chdir chmod ctime dbesj0 dbesj1 dbesjn dbesy0 dbesy1 dbesyn \
dtime etime fdate fgetc fget flush1 fnum fputc fput fstat gerror \
getcwd getgid getlog getpid getuid gmtime hostnm idate ierrno irand \
isatty itime kill link lnblnk lstat ltime mclock perror rand rename \
secnds second sleep srand stat symlnk time ttynam umask unlink \
- vxtidt vxttim alarm
-
-# These dependencies can be satisfied in parallel. The [fiu]77
-# targets update stamp files which the $(LIBG2C) target checks in the
-# sub-make. (Probably only one stamp file is really needed.)
-all: i77 f77 u77 s-libe77 $(LIBG2C)
- $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO="all"
+ vxttim alarm \
+ date_y2kbuggy date_y2kbug vxtidt_y2kbuggy vxtidt_y2kbug
+
+.SUFFIXES:
+
+# The logic here is partly dictated by the desire to keep the lib?77
+# subdirs for compatibility with the Netlib version and because libU77
+# has a different copyright; then the libe77 bit (EXTERNALly-callable
+# versions) is funny. Given that, as well as keeping things as simple
+# as possible we want (at least) the following:
+# * Allow make to be run at the top level (all-target-libf2c), at this
+# level, or the subdirs of this level. In the latter case we only
+# compile, rather than updating libg2c.a;
+# * A robust set of dependencies, so that we rebuild (as little as
+# possible) if a configuration file, g2c.h or any lib?77/*.c file
+# changes;
+# * Avoid unnecessary running of ar and ranlib;
+# * Expose parallelism where reasonable, but not as a priority.
+
+# The intended top-level target here does a non-multilib build (via
+# the dependency) and then (perhaps) builds multilibs.
+
+all: all-unilib
+ : $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO="all-unilib"
+
+# `all-unilib' is the overall target in the absence of multilibs,
+# meant to be invoked via multi-do for multilibs.
+
+# Its dependencies can be satisfied in parallel. The [fiu]77 targets
+# update stamp files (object file lists, actually, see the subdir
+# makefiles) on which the $(LIBG2C) depends. The stamp files
+# s-lib[fiu]77 are intentionally not targets, since we're only meant
+# to come in at the level of this target. The [fiu]77 targets always
+# invoke sub makes to check dependencies in the subdirs, else we'd
+# have to maintain them at this level; we live with the overhead of
+# some recursive makes which may do nothing.
+
+all-unilib: i77 f77 u77 s-libe77
+ $(MAKE) $(FLAGS_TO_PASS) $(LIBG2C)
i77 f77 u77: g2c.h
+# This target should normally only get invoked via `all-unilib' --
+# after all's well in the subdirs -- actually to assemble the library.
+# The stamp files contain the object lists of each component of the
+# library. The point of breaking them up is to avoid command-line
+# length limitations.
+
$(LIBG2C): s-libi77 s-libf77 s-libu77 s-libe77
- rm -f $(LIBG2C)
- set -e; \
- for i in $(SUBDIRS); \
- do (cd $$i && $(MAKE) $(FLAGS_TO_PASS) LIBG2C=../$(LIBG2C) archive); \
- done
- objs=""; for i in $(F2CEXT); do objs="$$objs libE77/L$$i.o"; done; \
- $(AR) $(AR_FLAGS) $(LIBG2C) $$objs
- $(RANLIB) $(LIBG2C)
+ $(LIBTOOL) --mode=link $(CC) -o $@ \
+ -version-info $(VERSION_MAJOR):$(VERSION_MINOR):$(VERSION_SUB) \
+ -rpath $(glibcpp_toolexeclibdir) \
+ -objectlist s-libe77 \
+ -objectlist s-libf77 \
+ -objectlist s-libi77 \
+ -objectlist s-libu77 \
+ -lm
i77:
cd libI77; $(MAKE) $(FLAGS_TO_PASS) all
cd libU77; $(MAKE) $(FLAGS_TO_PASS) all
s-libe77: f2cext.c
- if [ -d libE77 ]; then rm -f libE77/*.o; else mkdir libE77; fi
+ if [ -d libE77 ]; then rm -f libE77/*.o libE77/*.lo; else mkdir libE77; fi
+ -rm -f $@.T $@
for name in $(F2CEXT); \
do \
echo $${name}; \
- $(CC) -c -I. -I$(srcdir) -I../../include $(CPPFLAGS) $(CFLAGS) \
- -DL$${name} $(srcdir)/f2cext.c \
- -o libE77/L$${name}.o; \
+ $(LIBTOOL) --mode=compile $(CC) -c -I. -I$(srcdir) -I../../include \
+ $(CPPFLAGS) $(WARN_CFLAGS) $(CFLAGS) -DL$${name} $(srcdir)/f2cext.c \
+ -o libE77/L$${name}.lo ; \
if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
+ echo libE77/L$${name}.lo >> $@.T; \
done
- echo timestamp >s-libe77
+ mv $@.T $@
+
+f2cext.c: g2c.h
${srcdir}/configure: configure.in
rm -f config.cache
# lines below, since g2c.h isn't necessarily brought up to date.
# mv g2c.h g2c.x
$(SHELL) config.status
-# $(srcdir)/../move-if-change g2c.h g2c.x && mv g2c.x g2c.h
+# $(SHELL) $(srcdir)/../move-if-change g2c.h g2c.x && mv g2c.x g2c.h
Makefile: Makefile.in config.status
-# Autoconf doc uses `./config.status'. Is there a good reason to use
+# Autoconf doc uses `./config.status'. Is there a good reason to use $(SHELL)?
$(SHELL) config.status
config.status: configure $(gcc_version_trigger)
cd libU77; $(MAKE) G77DIR=../../../gcc/ check
install: all
- $(INSTALL_DATA) $(LIBG2C) $(libsubdir)/$(MULTISUBDIR)/$(LIBG2C).n
- ( cd $(libsubdir)/$(MULTISUBDIR) ; $(RANLIB) $(LIBG2C).n )
- mv -f $(libsubdir)/$(MULTISUBDIR)/$(LIBG2C).n $(libsubdir)/$(MULTISUBDIR)/$(LIBG2C)
- $(INSTALL_DATA) g2c.h $(libsubdir)/include/g2c.h
- @if [ -f f2c-install-ok -o -f $(srcdir)/f2c-install-ok ]; then \
- echo ''; \
- echo 'Warning: g77 no longer installs libf2c.a or f2c.h.'; \
- echo ' You must do so yourself. For more information,'; \
- echo ' read "Distributing Binaries" in the g77 docs.'; \
- echo ' (To turn off this warning, delete the file'; \
- echo ' f2c-install-ok in the source or build directory.)'; \
- echo ''; \
- else true; fi
+ $(SHELL) $(toplevel_srcdir)/mkinstalldirs $(DESTDIR)$(glibcpp_toolexeclibdir)
+ $(LIBTOOL) --mode=install $(INSTALL) $(LIBG2C) $(DESTDIR)$(glibcpp_toolexeclibdir)
+ $(INSTALL_DATA) libfrtbegin.a $(DESTDIR)$(glibcpp_toolexeclibdir)
+ $(RANLIB) $(DESTDIR)$(glibcpp_toolexeclibdir)/libfrtbegin.a
+ $(INSTALL_DATA) g2c.h $(DESTDIR)$(libsubdir)/include/g2c.h
$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO="$@"
+ @-$(LIBTOOL) --mode=finish $(DESTDIR)$(glibcpp_toolexeclibdir)
install-strip:
$(MAKE) INSTALL_PROGRAM='$(INSTALL_PROGRAM) -s' install
uninstall:
- rm -f $(libsubdir)/$(MULTISUBDIR)/include/g2c.h $(libsubdir)/$(MULTISUBDIR)/$(LIBG2C)
+ rm -f $(DESTDIR)$(libsubdir)/include/g2c.h
+ rm -f $(DESTDIR)$(glibcpp_toolexeclibdir)/libfrtbegin.a
+ $(LIBTOOL) --mode=uninstall rm -f $(DESTDIR)$(glibcpp_toolexeclibdir)$(LIBG2C_BASE).la
$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO="$@"
mostlyclean:
- rm -f $(LIBG2C)
+ rm -f $(LIBG2C) objlist
$(MAKE) DO=$@ DODIRS="$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do; \
$(MULTICLEAN) multi-clean DO=$@
rm -fr libE77 s-libe77
rm -f config.log
$(MAKE) DO=$@ DODIRS="$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do; \
$(MULTICLEAN) multi-clean DO=$@
+ rm -rf .libs
distclean: clean
- rm -f Makefile config.cache config.status g2c.h s-libe77
+ rm -f g2c.h s-libe77
$(MAKE) DO=$@ DODIRS="$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do; \
$(MULTICLEAN) multi-clean DO=distclean
+ rm -f config.cache config.status Makefile
maintainer-clean:
.PHONY: rebuilt mostlyclean clean distclean maintainer-clean all \
i77 f77 u77 check uninstall install-strip dist \
- installcheck installdirs
+ installcheck installdirs all-unilib
subdir_do:
- @rootpre=`pwd`/; export rootpre; \
- srcrootpre=`cd $(srcdir); pwd`/; export srcrootpre; \
+ @rootpre=`${PWD_COMMAND}`/; export rootpre; \
+ srcrootpre=`cd $(srcdir); ${PWD_COMMAND}`/; export srcrootpre; \
for i in .. $(DODIRS); do \
if [ x$$i != x.. ]; then \
if [ -f ./$$i/Makefile ]; then \
else true; fi; \
done
+# multidoings may be added here by configure.
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