path: root/src/Makefile.am

## Process this file with automake to produce Makefile.in -*-Makefile-*-

EXTRA_PROGRAMS = chroot df hostid nice pinky stty su uname uptime users who

bin_SCRIPTS = groups
bin_PROGRAMS = [ chgrp chown chmod cp dd dircolors du \
  ginstall link ln dir vdir ls mkdir \
  mkfifo mknod mv nohup readlink rm rmdir shred stat sync touch unlink \
  cat cksum comm csplit cut expand fmt fold head join md5sum \
  nl od paste pr ptx sha1sum sort split sum tac tail tr tsort unexpand uniq wc \
  basename date dirname echo env expr factor false \
  hostname id kill logname pathchk printenv printf pwd seq sleep tee \
  test true tty whoami yes \
  $(OPTIONAL_BIN_PROGS) $(DF_PROG)

noinst_PROGRAMS = setuidgid

noinst_HEADERS = \
  system.h checksum.h copy.h cp-hash.h ls.h dircolors.h remove.h \
  chown-core.h fs.h \
  wheel.h wheel-size.h
EXTRA_DIST = dcgen dircolors.hin tac-pipe.c \
  groups.sh wheel-gen.pl extract-magic
CLEANFILES = $(SCRIPTS) su

AM_CPPFLAGS = -I.. -I$(srcdir) -I$(top_srcdir)/lib -I../lib

# Sometimes, the expansion of $(LIBINTL) includes -lc which may
# include modules defining variables like `optind', so libfetish.a
# must precede $(LIBINTL) in order to ensure we use GNU getopt.
# But libfetish.a must also follow $(LIBINTL), since libintl uses
# replacement functions defined in libfetish.a.
LDADD = ../lib/libfetish.a $(LIBINTL) ../lib/libfetish.a

# for clock_gettime and fdatasync
dd_LDADD = $(LDADD) $(LIB_FDATASYNC)
dir_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME)
ls_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME)
shred_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME) $(LIB_FDATASYNC)
vdir_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME)

## If necessary, add -lm to resolve use of pow in lib/strtod.c.
sort_LDADD = $(LDADD) $(POW_LIB)

# for get_date and gettime
date_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME)
touch_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME)

# For sqrt
factor_LDADD = $(LDADD) $(SQRT_LIBM)

# If necessary, add -lm to resolve use of pow in lib/strtod.c.
# If necessary, add -liconv to resolve use of iconv in lib/unicodeio.c.
printf_LDADD = $(LDADD) $(POW_LIB) $(LIBICONV)

# If necessary, add -lm to resolve use of floor, rint, modf.
seq_LDADD = $(LDADD) $(SEQ_LIBM)

# If necessary, add -lm to resolve the `pow' reference in lib/strtod.c
# or for the fesetround reference in programs using nanosec.c.
nanosec_libs = \
  $(LDADD) $(FESETROUND_LIBM) $(POW_LIB) $(LIB_CLOCK_GETTIME) $(LIB_NANOSLEEP)

sleep_LDADD = $(nanosec_libs)
tail_LDADD = $(nanosec_libs)

uptime_LDADD = $(LDADD) $(GETLOADAVG_LIBS)

su_LDADD = $(LDADD) $(LIB_CRYPT)

$(PROGRAMS): ../lib/libfetish.a

$(SCRIPTS): Makefile

SUFFIXES = .sh

.sh:
	rm -f $@ $@-t
	sed \
	  -e 's!@''bindir''@!$(bindir)!' \
	  -e 's/@''GNU_PACKAGE''@/$(GNU_PACKAGE)/' \
	  -e 's/@''PACKAGE_BUGREPORT''@/$(PACKAGE_BUGREPORT)/' \
	  -e 's/@''VERSION''@/$(VERSION)/' $< > $@-t
	chmod +x $@-t
	mv $@-t $@

all-local: su$(EXEEXT)

installed_su = $(DESTDIR)$(bindir)/`echo su|sed '$(transform)'`

setuid_root_mode = a=rx,u+s

INSTALL_SU = \
  p=su; \
  echo " $(INSTALL_PROGRAM) $$p $(installed_su)"; \
  $(INSTALL_PROGRAM) $$p $(installed_su); \
  echo " chown root $(installed_su)"; \
  chown root $(installed_su); \
  echo " chmod $(setuid_root_mode) $(installed_su)"; \
  chmod $(setuid_root_mode) $(installed_su)

install-root: su$(EXEEXT)
	@$(INSTALL_SU)

install-exec-local: su$(EXEEXT)
	@TMPFILE=$(DESTDIR)$(bindir)/.su-$$$$; \
	rm -f $$TMPFILE; \
	echo > $$TMPFILE; \
## See if we can create a setuid root executable in $(bindir).
## If not, then don't even try to install su.
	can_create_suid_root_executable=no; \
	chown root $$TMPFILE > /dev/null 2>&1 \
	  && chmod $(setuid_root_mode) $$TMPFILE > /dev/null 2>&1 \
	  && can_create_suid_root_executable=yes; \
	rm -f $$TMPFILE; \
	if test $$can_create_suid_root_executable = yes; then \
	  $(INSTALL_SU); \
	else \
	  echo "WARNING: insufficient access; not installing su"; \
	  echo "NOTE: to install su, run 'make install-root' as root"; \
	fi

uninstall-local:
# Remove su only if it's one we installed.
	@if grep '$(GNU_PACKAGE)' $(installed_su) > /dev/null 2>&1; then \
	  echo "  rm -f $(installed_su)"; \
	  rm -f $(installed_su); \
	else :; fi

# Use `ginstall' in the definition of PROGRAMS and in dependencies to avoid
# confusion with the `install' target.  The install rule transforms `ginstall'
# to install before applying any user-specified name transformations.

transform = s/ginstall/install/; @program_transform_name@
ginstall_SOURCES = install.c copy.c cp-hash.c

# This is for the '[' program.  Automake transliterates '[' to '_'.
__SOURCES = lbracket.c

cp_SOURCES = cp.c copy.c cp-hash.c
dir_SOURCES = ls.c ls-dir.c
vdir_SOURCES = ls.c ls-vdir.c
ls_SOURCES = ls.c ls-ls.c
chown_SOURCES = chown.c chown-core.c
chgrp_SOURCES = chgrp.c chown-core.c

mv_SOURCES = mv.c copy.c cp-hash.c remove.c
rm_SOURCES = rm.c remove.c

md5sum_SOURCES = md5sum.c md5.c
sha1sum_SOURCES = md5sum.c sha1sum.c

editpl = sed -e 's,@''PERL''@,$(PERL),g'

localedir = $(datadir)/locale
BUILT_SOURCES = localedir.h
DISTCLEANFILES = localedir.h
localedir.h: Makefile
	@rm -f $@-t
	echo '#define LOCALEDIR "$(localedir)"' >$@-t
	@chmod a-w $@-t
	cmp $@-t $@ > /dev/null 2>&1 && rm -f $@-t || { rm -f $@; mv $@-t $@; }

BUILT_SOURCES += dircolors.h
dircolors.h: dcgen dircolors.hin
	@rm -f $@ $@-t
	$(PERL) -w -- $(srcdir)/dcgen $(srcdir)/dircolors.hin > $@-t
	@chmod a-w $@-t
	mv $@-t $@

wheel_size = 5

BUILT_SOURCES += wheel-size.h
wheel-size.h: Makefile.am
	@rm -f $@ $@-t
	echo '#define WHEEL_SIZE $(wheel_size)' > $@-t
	@chmod a-w $@-t
	mv $@-t $@

BUILT_SOURCES += wheel.h
wheel.h: wheel-gen.pl Makefile.am
	@rm -f $@ $@-t
	$(srcdir)/wheel-gen.pl $(wheel_size) > $@-t
	@chmod a-w $@-t
	mv $@-t $@

# false exits nonzero even with --help or --version.
# test doesn't support --help or --version.
# Tell automake to exempt then from that installcheck test.
AM_INSTALLCHECK_STD_OPTIONS_EXEMPT = false test

BUILT_SOURCES += false.c
false.c: true.c
	@rm -f $@ $@-t
	sed \
	  -e s/true/false/g \
	  -e s/success/failure/g \
	  -e 's/(EXIT_SUCCESS)/(EXIT_FAILURE)/g' \
	  $(srcdir)/true.c > $@-t
	@chmod a-w $@-t
	mv $@-t $@

BUILT_SOURCES += fs.h
fs.h: stat.c extract-magic
	rm -f $@
	$(PERL) $(srcdir)/extract-magic $(srcdir)/stat.c > $@t
	@chmod a-w $@t
	mv $@t $@

MAINTAINERCLEANFILES = $(BUILT_SOURCES)

# Sort in traditional ASCII order, regardless of the current locale;
# otherwise we may get into trouble with distinct strings that the
# current locale considers to be equal.
ASSORT = LC_ALL=C sort

all_programs = \
    $(bin_PROGRAMS) \
    $(bin_SCRIPTS) \
  $(EXTRA_PROGRAMS)

all_programs.list:
	@echo $(all_programs) | tr ' ' '\n' | $(ASSORT)

pm = progs-makefile
pr = progs-readme
# Ensure that the list of programs in README matches the list
# of programs we can build.
check: check-README check-misc
.PHONY: check-README
check-README:
	rm -rf $(pr) $(pm)
	echo $(all_programs) \
	  | tr -s ' ' '\n' | $(ASSORT) -u > $(pm) && \
	sed -n '/^The programs .* are:/,/^[a-zA-Z]/p' $(top_srcdir)/README \
	  | sed -n '/^   */s///p' | tr -s ' ' '\n' > $(pr)
	diff $(pm) $(pr) && rm -rf $(pr) $(pm)

# Make sure we don't define any S_IS* macros in src/*.c files.
# Not a big deal, but they're already defined via system.h.
#
# Also make sure we don't use st_blocks.  Use ST_NBLOCKS instead.
# This is a bit of a kludge, since it prevents use of the string
# even in comments, but for now it does the job with no false positives.
.PHONY: check-misc
check-misc:
	cd $(srcdir); grep '^# *define  *S_IS' $(SOURCES) && exit 1 || :
	cd $(srcdir); grep st_blocks $(SOURCES) && exit 1 || :
	cd $(srcdir); grep '^# *define .*defined' $(SOURCES) && exit 1 || :

# Extract the list of authors from each file.
sed_filter = s/^ *//;s/N_ (//;s/^"//;s/")*$$//
# Sometimes the string is on the same line as the #define...
s1 = '/^\#define AUTHORS \([^\\]\)/{;s//\1/;$(sed_filter);p;q;}'
# Sometimes the string is on the backslash-continued line after the #define.
s2 = '/^\#define AUTHORS \\\\/{;n;$(sed_filter);p;q;}'
# FIXME: handle *.sh;  and use $(all_programs), not $(SOURCES)
../AUTHORS: $(SOURCES)
	rm -f $@-t
	(						\
	  set -e;					\
	  echo "Here are the names of the programs in this package,";	\
	  echo "each followed by the name(s) of its author(s).";	\
	  echo;						\
	  for i in $(SOURCES); do			\
	    a=`sed -n $(s1) $$i`;			\
	    test "$$a" && :				\
	      || a=`sed -n $(s2) $$i`;			\
	    if test "$$a"; then				\
	      prog=`echo $$i|sed 's/\.c$$//'`;		\
	      echo "$$prog: $$a";			\
	    fi;						\
	  done | $(ASSORT) -u ) > $@-t
	chmod a-w $@-t
	mv $@-t $@

# The following rule is not designed to be portable,
# and relies on tools that not everyone has.

# Most functions in src/*.c should have static scope.
# Any that don't must be marked with `extern', but `main'
# and `usage' are exceptions.  They're always extern, but
# don't need to be marked.
#
# The second nm|grep checks for file-scope variables with `extern' scope.
sc_tight_scope: $(all_programs)
	@t=exceptions-$$$$;						\
	trap "s=$$?; rm -f $$t; exit $$s" 0 1 2 13 15;			\
	( printf '^main$$\n^usage$$\n';					\
	  grep -h -A1 '^extern .*[^;]$$' $(SOURCES)			\
	    | grep -vE '^(extern |--)' |sed 's/^/^/;s/ .*/$$/' ) > $$t;	\
	nm -e *.$(OBJEXT)						\
	    | sed -n 's/.* T //p'					\
	    | grep -Ev -f $$t &&					\
	  { echo 'the above functions should have static scope' 1>&2;	\
	    exit 1; } || : ;						\
	printf '^program_name$$\n' > $$t;				\
	nm -e *.$(OBJEXT)						\
	    | sed -n 's/.* B //p'					\
	    | grep -Ev -f $$t &&					\
	  { echo 'the above variables should have static scope' 1>&2;	\
	    exit 1; } || :