(variable_expand): Fix braino in last change.

(search_path): Function #if 0'd out.
(exec_command): Use execvp instead of search_path.

GNUmakefile

@@ -45,6 +45,8 @@ include compatMakefile
 MAKE = $(MAKE_COMMAND) $(MAKEOVERRIDES)
 
 # Remove autoconf magic.
+prefix = /usr/local
+exec_prefix = $(prefix)
 extras := $(filter-out getloadavg.o @%@,$(extras)) getloadavg.o
 LOADLIBES := $(filter-out @%@,$(LOADLIBES))
 ALLOCA := $(filter-out @%@,$(ALLOCA))
@@ -86,7 +88,7 @@ GLOB =
 
 else
 
-CPPFLAGS := $(CPPFLAGS) -Iglob
+CPPFLAGS := $(filter-out @%@,$(CPPFLAGS)) -Iglob
 
 endif	 # works-for-make
 endif	 # $(libc_dir)
@@ -96,9 +98,7 @@ endif	 # !no_libc
 $(ARCH)/%.o: %.c
 	$(COMPILE.c) -Iglob $< $(OUTPUT_OPTION)
 $(ARCH)/glob/libglob.a: FORCE
-	$(MAKE) -C $(@D) $(@F) \
+	$(MAKE) -C $(@D) $(@F)
-		CC='$(CC)' CFLAGS='$(CFLAGS) -I..' \
-		CPPFLAGS='$(CPPFLAGS) -DHAVE_CONFIG_H'
 FORCE:
 objs := $(addprefix $(ARCH)/,$(objs))
 prog := $(ARCH)/make
@@ -147,7 +147,7 @@ $(prog): $(objs) $(globdep) #$(addprefix $(ARCH)/,gmalloc.o mcheck.o)
 	$(CC) $(LDFLAGS) $^ $(globlib) $(LOADLIBES) -o $@.new
 	mv -f $@.new $@
 
-globfiles = $(addprefix glob/,COPYING.LIB Makefile.in \
+globfiles = $(addprefix glob/,COPYING.LIB configure.in configure Makefile.in \
 			glob.c fnmatch.c glob.h fnmatch.h)
 $(globfiles): stamp-glob ;
 stamp-glob: /home/gd/gnu/libc/posix/glob.tar
@@ -197,6 +197,7 @@ build.sh.in: build.template compatMakefile
 	       $(patsubst $(archpfx)%,%,$(objs)))\
 	       $(patsubst %.c,%.o,$(filter %.c,$(globfiles)))@' \
 	    $< > $@.new
+	chmod a+x $@.new
 	mv -f $@.new $@
 
 # Make the distribution tar files.
@@ -218,8 +219,8 @@ dist-flavor = alpha
 endif
 .PHONY: rcs-mark rcs-mark-alpha rcs-mark-beta
 rcs-mark: rcs-mark-$(dist-flavor)
-rcs-mark-alpha:;rcs -sAlpha -Nmake-$(version-): RCS/[!=]*,v
+rcs-mark-alpha: RCS/[!=]*,v;rcs -sAlpha -Nmake-$(version-): $^
-rcs-mark-beta:;rcs -sBeta -Nmake-$(version-): RCS/[!=]*,v
+rcs-mark-beta: RCS/[!=]*,v;rcs -sBeta -Nmake-$(version-): $^
 version- = $(subst .,-,$(version))
 
 dist: local-inst
@@ -262,7 +263,7 @@ make-$(version).tar: README INSTALL COPYING ChangeLog NEWS \
 	  acconfig.h $(srcs) remote-*.c $(globfiles) \
 	  make.texinfo make-stds.texi \
 	  make.?? make.??s make.toc make.aux make.man texinfo.tex TAGS tags \
-	  install.sh \
+	  install-sh \
 	  make.info make.info*
 	$(make-tar)
 

acconfig.h

@@ -9,3 +9,6 @@
 
 /* Define this if the C library defines the variable `_sys_siglist'.  */
 #undef HAVE__SYS_SIGLIST
+
+/* Define this if you have the `union wait' type in <sys/wait.h>.  */
+#undef HAVE_UNION_WAIT

arscan.c

@@ -429,11 +429,11 @@ ar_name_equal (name, mem, truncated)
       struct ar_hdr hdr;
       return !strncmp (name, mem,
 		       sizeof (hdr.ar_name) - 
-#ifndef __hpux
+#if !defined (__hpux) && !defined (cray)
 		       1
 #else
 		       2
-#endif /* __hpux */
+#endif /* !__hpux && !cray */
 		       );
 #endif
     }

build.sh.in

@@ -0,0 +1,69 @@
+#!/bin/sh
+
+# Shell script to build GNU Make in the absence of any `make' program.
+
+# Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+# This file is part of GNU Make.
+# 
+# GNU Make is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# GNU Make is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with GNU Make; see the file COPYING.  If not, write to
+# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# See Makefile.in for comments describing these variables.
+
+srcdir='@srcdir@'
+CC='@CC@'
+CFLAGS='@CFLAGS@'
+CPPFLAGS='@CPPFLAGS@'
+LDFLAGS='@LDFLAGS@'
+defines='@DEFS@ -DLIBDIR="${libdir}" -DINCLUDEDIR="${includedir}"'
+ALLOCA='@ALLOCA@'
+LOADLIBES='@LIBS@'
+extras='@LIBOBJS@'
+REMOTE='@REMOTE@'
+
+# Common prefix for machine-independent installed files.
+prefix=@prefix@
+# Common prefix for machine-dependent installed files.
+exec_prefix=@exec_prefix@
+# Directory to find libraries in for `-lLIB'.
+libdir=${exec_prefix}/lib
+# Directory to search by default for included makefiles.
+includedir=${prefix}/include
+
+# Exit as soon as any command fails.
+set -e
+
+# These are all the objects we need to link together.
+objs="commands.o job.o dir.o file.o misc.o main.o read.o remake.o rule.o implicit.o default.o variable.o expand.o function.o vpath.o version.o ar.o arscan.o signame.o getopt.o getopt1.o glob/glob.o glob/fnmatch.o remote-${REMOTE}.o ${extras} ${ALLOCA}"
+
+# Compile the source files into those objects.
+for file in `echo ${objs} | sed 's/\.o/.c/g'`; do
+  echo compiling ${file}...
+  $CC $CPPFLAGS $CFLAGS $defines -c \
+      -I. -I${srcdir} -I${srcdir}/glob ${srcdir}/$file
+done
+
+# The object files were actually all put in the current directory.
+# Remove the source directory names from the list.
+srcobjs="$objs"
+objs=
+for obj in $srcobjs; do
+  objs="$objs `basename $obj`"
+done
+
+# Link all the objects together.
+echo linking make...
+$CC $LDFLAGS $objs $LOADLIBES -o make.new
+echo done
+mv -f make.new make

build.template

@@ -1,8 +1,8 @@
 #!/bin/sh
-
 # Shell script to build GNU Make in the absence of any `make' program.
+# @configure_input@
 
-# Copyright (C) 1993 Free Software Foundation, Inc.
+# Copyright (C) 1993, 1994 Free Software Foundation, Inc.
 # This file is part of GNU Make.
 # 
 # GNU Make is free software; you can redistribute it and/or modify
@@ -24,6 +24,7 @@
 srcdir='@srcdir@'
 CC='@CC@'
 CFLAGS='@CFLAGS@'
+CPPFLAGS='@CPPFLAGS@'
 LDFLAGS='@LDFLAGS@'
 defines='@DEFS@ -DLIBDIR="${libdir}" -DINCLUDEDIR="${includedir}"'
 ALLOCA='@ALLOCA@'
@@ -32,9 +33,9 @@ extras='@LIBOBJS@'
 REMOTE='@REMOTE@'
 
 # Common prefix for machine-independent installed files.
-prefix=/usr/local
+prefix='@prefix@'
 # Common prefix for machine-dependent installed files.
-exec_prefix=/usr/local
+exec_prefix='@exec_prefix@'
 # Directory to find libraries in for `-lXXX'.
 libdir=${exec_prefix}/lib
 # Directory to search by default for included makefiles.
@@ -49,7 +50,8 @@ objs="%objs% remote-${REMOTE}.o ${extras} ${ALLOCA}"
 # Compile the source files into those objects.
 for file in `echo ${objs} | sed 's/\.o/.c/g'`; do
   echo compiling ${file}...
-  $CC $CFLAGS $defines -c -I. -I${srcdir} -I${srcdir}/glob ${srcdir}/$file
+  $CC $defines $CPPFLAGS $CFLAGS \
+      -c -I. -I${srcdir} -I${srcdir}/glob ${srcdir}/$file
 done
 
 # The object files were actually all put in the current directory.

compatMakefile

@@ -1,7 +1,7 @@
 # NOTE: If you have no `make' program at all to process this makefile, run
 # `build.sh' instead.
 #
-# Copyright (C) 1988, 1989, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+# Copyright (C) 1988, 89, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
 # This file is part of GNU Make.
 # 
 # GNU Make is free software; you can redistribute it and/or modify
@@ -30,11 +30,9 @@ srcdir = @srcdir@
 CC = @CC@
 
 CFLAGS = @CFLAGS@
+CPPFLAGS = @CPPFLAGS@
 LDFLAGS = @LDFLAGS@
 
-# How to invoke ranlib.  This is only used by the `glob' subdirectory.
-RANLIB = @RANLIB@
-
 # Define these for your system as follows:
 #	-DNO_ARCHIVES		To disable `ar' archive support.
 #	-DNO_FLOAT		To avoid using floating-point numbers.
@@ -77,9 +75,9 @@ LOADLIBES = @LIBS@
 extras = @LIBOBJS@
 
 # Common prefix for machine-independent installed files.
-prefix = /usr/local
+prefix = @prefix@
 # Common prefix for machine-dependent installed files.
-exec_prefix = $(prefix)
+exec_prefix = @exec_prefix@
 
 # Directory to install `make' in.
 bindir = $(exec_prefix)/bin
@@ -119,8 +117,8 @@ MAKEINFO = makeinfo
 TEXI2DVI = texi2dvi
 
 # Programs to make tags files.
-ETAGS = etags -tw
+ETAGS = etags -w
-CTAGS = ctags -tw
+CTAGS = ctags -w
 
 objs = commands.o job.o dir.o file.o misc.o main.o read.o remake.o	\
        rule.o implicit.o default.o variable.o expand.o function.o	\
@@ -144,10 +142,9 @@ srcs = $(srcdir)/commands.c $(srcdir)/job.c $(srcdir)/dir.c		\
 .SUFFIXES: .o .c .h .ps .dvi .info .texinfo
 
 all: make
-check: # No tests.
 info: make.info
 dvi: make.dvi
-# Some makes apparently use .PHONY as the default goal is it is before `all'.
+# Some makes apparently use .PHONY as the default goal if it is before `all'.
 .PHONY: all check info dvi
 
 make.info: make.texinfo
@@ -166,17 +163,14 @@ make: $(objs)
 # -I. is needed to find config.h in the build directory.
 .c.o:
 	$(CC) $(defines) -c -I. -I$(srcdir) -I$(srcdir)/glob \
-	      $(CFLAGS) $< $(OUTPUT_OPTION)
+	      $(CPPFLAGS) $(CFLAGS) $< $(OUTPUT_OPTION)
 
 # For some losing Unix makes.
 SHELL = /bin/sh
 MAKE = make
 
 glob/libglob.a: FORCE config.h
-	cd glob; $(MAKE) CC='$(CC)' CFLAGS='$(CFLAGS) -I..' \
+	cd glob; $(MAKE) libglob.a
-			 CPPFLAGS='$(CPPFLAGS) -DHAVE_CONFIG_H' \
-			 RANLIB='$(RANLIB)' \
-			 libglob.a
 FORCE:
 
 tagsrcs = $(srcs) $(srcdir)/remote-*.c
@@ -201,7 +195,7 @@ $(bindir)/$(binprefix)make: make
 	   else \
 	     echo "$@ needs to be owned by group $(group) and setgid;"; \
 	     echo "otherwise the \`-l' option will probably not work."; \
-	     echo "You may need special priveleges to install $@."; \
+	     echo "You may need special privileges to install $@."; \
 	   fi; \
 	 else true; fi
 # Some systems can't deal with renaming onto a running binary.
@@ -247,9 +241,10 @@ check: check-loadavg
 
 .PHONY: clean realclean distclean mostlyclean
 clean: glob-clean
-	-rm -f make loadavg *.o core make.info* make.dvi
+	-rm -f make loadavg *.o core make.dvi
 distclean: clean glob-realclean
 	-rm -f Makefile config.h config.status build.sh stamp-config
+	-rm -f config.log config.cache
 	-rm -f TAGS tags
 	-rm -f make.?? make.??s make.log make.toc make.*aux
 	-rm -f loadavg.c

configure.in

@@ -1,52 +1,64 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_REVISION([$Id$])
-AC_INIT(vpath.c)		dnl A distinctive file to look for in srcdir.
+AC_PREREQ(2.1)dnl		dnl Minimum Autoconf version required.
+AC_INIT(vpath.c)dnl		dnl A distinctive file to look for in srcdir.
 AC_CONFIG_HEADER(config.h)
+AC_CONFIG_SUBDIRS(glob)		dnl Run configure in glob subdirectory.
 
 # We want these before the checks, so the checks can modify their values.
 test -z "$CFLAGS" && CFLAGS=-g AC_SUBST(CFLAGS)
 test -z "$LDFLAGS" && LDFLAGS=-g AC_SUBST(LDFLAGS)
 
-AC_SET_MAKE
+AC_PROG_MAKE_SET
 AC_PROG_CC
 AC_PROG_INSTALL
-AC_PROG_RANLIB
 AC_PROG_CPP			dnl Later checks need this.
 AC_AIX
 AC_ISC_POSIX
 AC_MINIX
-AC_STDC_HEADERS
+AC_HEADER_STDC
-AC_DIR_HEADER
+AC_HEADER_DIRENT
-AC_UID_T			dnl Also does gid_t.
+AC_TYPE_UID_T			dnl Also does gid_t.
-AC_GETGROUPS_T
+AC_TYPE_GETGROUPS
-AC_PID_T
+AC_TYPE_PID_T
-AC_RETSIGTYPE
+AC_TYPE_SIGNAL
-AC_HAVE_HEADERS(unistd.h limits.h sys/param.h fcntl.h string.h memory.h \
+AC_CHECK_HEADERS(unistd.h limits.h sys/param.h fcntl.h string.h memory.h \
 	         sys/timeb.h)
-AC_MINUS_C_MINUS_O
+AC_PROG_CC_C_O
-AC_CONST			dnl getopt needs this.
+AC_C_CONST			dnl getopt needs this.
-AC_STAT_MACROS_BROKEN
+AC_HEADER_STAT
 
 AC_SUBST(LIBOBJS)
 
-AC_HAVE_FUNCS(getdtablesize psignal \
+AC_DEFUN(AC_CHECK_SYMBOL, [dnl
+AC_MSG_CHECKING(for $1)
+AC_CACHE_VAL(ac_cv_check_symbol_$1, [dnl
+AC_TRY_LINK(, [extern char *sys_siglist[]; puts(*sys_siglist);],
+	    ac_cv_check_symbol_$1=yes, ac_cv_check_symbol_$1=no)])
+if test "$ac_cv_check_symbol_$1" = yes; then
+changequote(,)dnl
+  ac_tr_symbol=`echo $1 | tr '[a-z]' '[A-Z]'`
+changequote([,])dnl
+  AC_DEFINE_UNQUOTED(HAVE_${ac_tr_symbol})
+fi
+AC_MSG_RESULT($ac_cv_check_symbol_$1)])dnl
+
+AC_CHECK_FUNCS(getdtablesize psignal \
 	       dup2 getcwd sigsetmask getgroups setlinebuf \
 	       seteuid setegid setreuid setregid strerror)
-AC_COMPILE_CHECK(sys_siglist, ,
+AC_CHECK_SYMBOL(sys_siglist)
-   [extern char *sys_siglist[]; puts(*sys_siglist);],
+AC_CHECK_SYMBOL(_sys_siglist)
-   AC_DEFINE(HAVE_SYS_SIGLIST))
+AC_FUNC_ALLOCA
-AC_COMPILE_CHECK(_sys_siglist, ,
+AC_FUNC_VFORK
-   [extern char *_sys_siglist[]; puts(*_sys_siglist);],
+AC_FUNC_SETVBUF_REVERSED
-   AC_DEFINE(HAVE__SYS_SIGLIST))
+AC_FUNC_GETLOADAVG
-AC_ALLOCA
+AC_FUNC_STRCOLL
-AC_VFORK
-AC_SETVBUF_REVERSED
-AC_GETLOADAVG
-AC_STRCOLL
 
-dnl Check out the wait reality.
+# Check out the wait reality.
-AC_HAVE_HEADERS(sys/wait.h) AC_HAVE_FUNCS(waitpid wait3)
+AC_CHECK_HEADERS(sys/wait.h) AC_CHECK_FUNCS(waitpid wait3)
-AC_COMPILE_CHECK(union wait, [#include <sys/types.h>
+AC_MSG_CHECKING(for union wait)
+AC_CACHE_VAL(make_cv_union_wait, [dnl
+AC_TRY_LINK([#include <sys/types.h>
 #include <sys/wait.h>],
 	    [union wait status; int pid; pid = wait (&status);
 #ifdef WEXITSTATUS
@@ -54,25 +66,31 @@ AC_COMPILE_CHECK(union wait, [#include <sys/types.h>
    union wait type, and they do not work together.  If union wait
    conflicts with WEXITSTATUS et al, we don't want to use it at all.  */
 if (WEXITSTATUS (status) != 0) pid = -1;
+#ifdef WTERMSIG
+/* If we have WEXITSTATUS and WTERMSIG, just use them on ints.  */
+-- blow chunks here --
+#endif
 #endif
 #ifdef HAVE_WAITPID
 /* Make sure union wait works with waitpid.  */
 pid = waitpid (-1, &status, 0);
 #endif
 ],
-		 AC_DEFINE(HAVE_UNION_WAIT))
+	    [make_cv_union_wait=yes], [make_cv_union_wait=no])])
+if test "$make_cv_union_wait" = yes; then
+  AC_DEFINE(HAVE_UNION_WAIT)
+fi
+AC_MSG_RESULT($make_cv_union_wait)
 
-AC_SYS_SIGLIST_DECLARED
+AC_DECL_SYS_SIGLIST
 
 # The presence of the following is not meant to imply
 # that make necessarily works on those systems.
-AC_DYNIX_SEQ
+AC_CHECK_LIB(sun, getpwnam)
-AC_XENIX_DIR
-AC_IRIX_SUN
 
 AC_SUBST(REMOTE) REMOTE=stub
-AC_WITH(customs, [REMOTE=cstms
+AC_ARG_WITH(customs, [export jobs with the Customs daemon (NOT SUPPORTED)],
-LIBS="$LIBS libcustoms.a"])
+[REMOTE=cstms LIBS="$LIBS libcustoms.a"])
 
 echo checking for location of SCCS get command
 if test -f /usr/sccs/get; then
@@ -94,7 +112,7 @@ if ( /usr/sccs/admin -n s.conftest || admin -n s.conftest ) >/dev/null 2>&1 &&
 fi
 rm -f s.conftest conftoast
 
-AC_OUTPUT(Makefile build.sh glob/Makefile, [
+AC_OUTPUT(Makefile build.sh, [
 # Makefile uses this timestamp file to know when to remake Makefile,
 # build.sh, and glob/Makefile.
 touch stamp-config])

default.c

@@ -1,5 +1,5 @@
 /* Data base of default implicit rules for GNU Make.
-Copyright (C) 1988, 89, 90, 91, 92, 93, 94 Free Software Foundation, Inc.
+Copyright (C) 1988, 89, 90, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
 This file is part of GNU Make.
 
 GNU Make is free software; you can redistribute it and/or modify
@@ -209,13 +209,7 @@ static char *default_suffix_rules[] =
 static char *default_variables[] =
   {
     "AR", "ar",
-#ifndef __hpux
     "ARFLAGS", "rv",
-#else
-    /* HPUX ar's f flag says to truncate the file names to archive member
-       name length in comparisons, so replacement notices the equality.  */
-    "ARFLAGS", "rfv",
-#endif
     "AS", "as",
 #ifdef GCC_IS_NATIVE
     "CC", "gcc",

dir.c

@@ -18,26 +18,26 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #include "make.h"
 
-#if	defined (POSIX) || defined (DIRENT) || defined (__GNU_LIBRARY__)
+#if	defined (POSIX) || defined (HAVE_DIRENT_H) || defined (__GNU_LIBRARY__)
 #include <dirent.h>
 #ifndef	__GNU_LIBRARY__
 #define D_NAMLEN(d) strlen((d)->d_name)
 #else	/* GNU C library.  */
 #define D_NAMLEN(d) ((d)->d_namlen)
 #endif	/* Not GNU C library.  */
-#else	/* Not POSIX or DIRENT.  */
+#else	/* Not POSIX or HAVE_DIRENT_H.  */
 #define direct dirent
 #define D_NAMLEN(d) ((d)->d_namlen)
-#ifdef	SYSNDIR
+#ifdef	HAVE_SYS_NDIR_H
 #include <sys/ndir.h>
-#endif	/* SYSNDIR */
+#endif	/* HAVE_SYS_NDIR_H */
-#ifdef	SYSDIR
+#ifdef	HAVE_SYS_DIR_H
 #include <sys/dir.h>
-#endif	/* SYSDIR */
+#endif	/* HAVE_SYS_DIR_H */
-#ifdef NDIR
+#ifdef HAVE_NDIR_H
 #include <ndir.h>
-#endif	/* NDIR */
+#endif	/* HAVE_NDIR_H */
-#endif	/* POSIX or DIRENT or __GNU_LIBRARY__.  */
+#endif	/* POSIX or HAVE_DIRENT_H or __GNU_LIBRARY__.  */
 
 #if defined (POSIX) && !defined (__GNU_LIBRARY__)
 /* Posix does not require that the d_ino field be present, and some

expand.c

@@ -1,5 +1,5 @@
 /* Variable expansion functions for GNU Make.
-Copyright (C) 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
+Copyright (C) 1988, 89, 91, 92, 93, 95 Free Software Foundation, Inc.
 This file is part of GNU Make.
 
 GNU Make is free software; you can redistribute it and/or modify
@@ -197,9 +197,9 @@ variable_expand (line)
 	    char openparen = *p;
 	    char closeparen = (openparen == '(') ? ')' : '}';
 	    register char *beg = p + 1;
+	    int free_beg = 0;
 	    char *op, *begp;
-	    char *end;
+	    char *end, *colon;
-	    char *colon = 0;
 
 	    op = o;
 	    begp = p;
@@ -213,132 +213,6 @@ variable_expand (line)
 	    /* Is there a variable reference inside the parens or braces?
 	       If so, expand it before expanding the entire reference.  */
 
-	    p1 = index (beg, closeparen);
-	    if (p1 != 0)
-	      p1 = lindex (beg, p1, '$');
-	    if (p1 != 0 && lindex (beg, p1, ':') == 0)
-	      {
-		/* BEG now points past the opening paren or brace.
-		   Count parens or braces until it is matched.  */
-		int count = 0;
-		for (p = beg; *p != '\0'; ++p)
-		  {
-		    if (*p == openparen)
-		      ++count;
-		    else if (*p == closeparen && --count < 0)
-		      break;
-		    else if (colon == 0 && count == 0 && *p == ':')
-		      /* Record where we found a colon, which
-			 indicates a substitution reference.
-			 We want to expand the text before the
-			 reference only.  */
-		      colon = p;
-		  }
-		/* If COUNT is >= 0, there were unmatched opening parens
-		   or braces, so we go to the simple case of a variable name
-		   such as `$($(a)'.  */
-		if (count < 0)
-		  {
-		    char *name = expand_argument (beg, colon == 0 ? p : colon);
-		    unsigned int namelen = strlen (name);
-		    if (colon == 0)
-		      {
-			/* This is a simple reference to the expanded name.  */
-			o = reference_variable (o, name, namelen);
-			free (name);
-			break;
-		      }
-		    else
-		      {
-			/* This is a substitution reference to the expanded
-			   name.  We replace the pending text with a copy
-			   containing the expanded name in place of the
-			   original name, and then fall through to
-			   the normal substitution reference code below.  */
-			unsigned int restlen = strlen (colon) + 1;
-			beg = (char *) alloca (namelen + restlen);
-			bcopy (name, beg, namelen);
-			bcopy (colon, &beg[namelen], restlen);
-			/* Point COLON into the new copy.  */
-			colon = &beg[namelen];
-		      }
-		  }
-	      }
-
-	    /* This is not a reference to a built-in function and
-	       it does not contain any variable references inside.
-	       There are several things it could be.  */
-
-	    if (colon == 0)
-	      colon = index (beg, ':');
-	    if (colon != 0 && lindex (beg, colon, closeparen) == 0)
-	      {
-		/* This is a substitution reference: $(FOO:A=B).  */
-		int count;
-		char *subst_beg, *subst_end, *replace_beg, *replace_end;
-
-		v = lookup_variable (beg, colon - beg);
-		if (v == 0)
-		  warn_undefined (beg, colon - beg);
-
-		subst_beg = colon + 1;
-		count = 0;
-		for (p = subst_beg; *p != '\0'; ++p)
-		  {
-		    if (*p == openparen)
-		      ++count;
-		    else if (*p == closeparen)
-		      --count;
-		    else if (*p == '=' && count <= 0)
-		      break;
-		  }
-		if (count > 0)
-		  /* There were unmatched opening parens.  */
-		  return initialize_variable_output ();
-		subst_end = p;
-
-		replace_beg = p + 1;
-		count = 0;
-		for (p = replace_beg; *p != '\0'; ++p)
-		  {
-		    if (*p == openparen)
-		      ++count;
-		    else if (*p == closeparen && --count < 0)
-		      break;
-		  }
-		if (count > 0)
-		  /* There were unmatched opening parens.  */
-		  return initialize_variable_output ();
-		end = p;
-		replace_end = p;
-
-		p = expand_argument (subst_beg, subst_end);
-		p1 = expand_argument (replace_beg, replace_end);
-
-		if (v != 0 && *v->value != '\0')
-		  {
-		    char *value = (v->recursive ? recursively_expand (v)
-				   : v->value);
-		    char *percent = find_percent (p);
-		    if (percent != 0)
-		      o = patsubst_expand (o, value, p, p1,
-					   percent, (char *) 0);
-		    else
-		      o = subst_expand (o, value,
-					p, p1, strlen (p), strlen (p1),
-					0, 1);
-		    if (v->recursive)
-		      free (value);
-		  }
-
-		free (p);
-		free (p1);
-	      }
-
-	    /* No, this must be an ordinary variable reference.  */
-	    else
-	      {
-		/* Look up the value of the variable.  */
 	    end = index (beg, closeparen);
 	    if (end == 0)
 	      {
@@ -349,11 +223,119 @@ variable_expand (line)
 		else
 		  fatal ("unterminated variable reference");
 	      }
-		o = reference_variable (o, beg, end - beg);
+	    p1 = lindex (beg, end, '$');
+	    if (p1 != 0)
+	      {
+		/* BEG now points past the opening paren or brace.
+		   Count parens or braces until it is matched.  */
+		int count = 0;
+		for (p = beg; *p != '\0'; ++p)
+		  {
+		    if (*p == openparen)
+		      ++count;
+		    else if (*p == closeparen && --count < 0)
+		      break;
+		  }
+		/* If COUNT is >= 0, there were unmatched opening parens
+		   or braces, so we go to the simple case of a variable name
+		   such as `$($(a)'.  */
+		if (count < 0)
+		  {
+		    beg = expand_argument (beg, p); /* Expand the name.  */
+		    free_beg = 1; /* Remember to free BEG when finished.  */
+		    end = index (beg, '\0');
+		  }
+	      }
+	    else
+	      /* Advance P to the end of this reference.  After we are
+                 finished expanding this one, P will be incremented to
+                 continue the scan.  */
+	      p = end;
+
+	    /* This is not a reference to a built-in function and
+	       any variable references inside are now expanded.
+	       Is the resultant text a substitution reference?  */
+
+	    colon = lindex (beg, end, ':');
+	    if (colon != 0)
+	      {
+		/* This looks like a substitution reference: $(FOO:A=B).  */
+		char *subst_beg, *subst_end, *replace_beg, *replace_end;
+
+		subst_beg = colon + 1;
+		subst_end = index (subst_beg, '=');
+		if (subst_end == 0)
+		  /* There is no = in sight.  Punt on the substitution
+		     reference and treat this as a variable name containing
+		     a colon, in the code below.  */
+		  colon = 0;
+		else
+		  {
+		    replace_beg = subst_end + 1;
+		    replace_end = end;
+
+		    /* Extract the variable name before the colon
+		       and look up that variable.  */
+		    v = lookup_variable (beg, colon - beg);
+		    if (v == 0)
+		      warn_undefined (beg, colon - beg);
+
+		    if (v != 0 && *v->value != '\0')
+		      {
+			char *value = (v->recursive ? recursively_expand (v)
+				       : v->value);
+			char *pattern, *percent;
+			if (free_beg)
+			  {
+			    *subst_end = '\0';
+			    pattern = subst_beg;
+			  }
+			else
+			  {
+			    pattern = alloca (subst_end - subst_beg + 1);
+			    bcopy (subst_beg, pattern, subst_end - subst_beg);
+			    pattern[subst_end - subst_beg] = '\0';
+			  }
+			percent = find_percent (pattern);
+			if (percent != 0)
+			  {
+			    char *replace;
+			    if (free_beg)
+			      {
+				*replace_end = '\0';
+				replace = replace_beg;
+			      }
+			    else
+			      {
+				replace = alloca (replace_end - replace_beg
+						  + 1);
+				bcopy (replace_beg, replace,
+				       replace_end - replace_beg);
+				replace[replace_end - replace_beg] = '\0';
 			      }
 			    
-	    /* Advance p past the variable reference to resume scan.  */
+			    o = patsubst_expand (o, value, pattern, replace,
-	    p = end;
+						 percent, (char *) 0);
+			  }
+			else
+			  o = subst_expand (o, value,
+					    pattern, replace_beg,
+					    strlen (pattern),
+					    end - replace_beg,
+					    0, 1);
+			if (v->recursive)
+			  free (value);
+		      }
+		  }
+	      }
+
+	    if (colon == 0)
+	      /* This is an ordinary variable reference.
+		 Look up the value of the variable.  */
+		o = reference_variable (o, beg, end - beg);
+
+	  if (free_beg)
+	    free (beg);
 	  }
 	  break;
 

getloadavg.c

@@ -1,5 +1,5 @@
 /* Get the system load averages.
-   Copyright (C) 1985, 86, 87, 88, 89, 91, 92, 93, 1994
+   Copyright (C) 1985, 86, 87, 88, 89, 91, 92, 93, 1994, 1995
    	Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
@@ -59,6 +59,11 @@
    We also #define LDAV_PRIVILEGED if a program will require
    special installation to be able to call getloadavg.  */
 
+/* This should always be first.  */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include <sys/types.h>
 
 /* Both the Emacs and non-Emacs sections want this.  Some
@@ -69,10 +74,6 @@
 #endif
 
 
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
 /* Exclude all the code except the test program at the end
    if the system has its own `getloadavg' function.
 

job.c

@@ -1,5 +1,5 @@
 /* Job execution and handling for GNU Make.
-Copyright (C) 1988, 89, 90, 91, 92, 93, 94 Free Software Foundation, Inc.
+Copyright (C) 1988, 89, 90, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
 This file is part of GNU Make.
 
 GNU Make is free software; you can redistribute it and/or modify
@@ -23,9 +23,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "variable.h"
 #include <assert.h>
 
-/* Default path to search for executables.  */
-static char default_path[] = ":/bin:/usr/bin";
-
 /* Default shell to use.  */
 char default_shell[] = "/bin/sh";
 
@@ -689,6 +686,8 @@ start_job_command (child)
     {
       /* Fork the child process.  */
 
+      char **parent_environ;
+
 #ifdef	 POSIX
       (void) sigprocmask (SIG_BLOCK, &fatal_signal_set, (sigset_t *) 0);
 #else
@@ -698,7 +697,9 @@ start_job_command (child)
 #endif
 
       child->remote = 0;
+      parent_environ = environ;
       child->pid = vfork ();
+      environ = parent_environ;	/* Restore value child may have clobbered.  */
       if (child->pid == 0)
 	{
 	  /* We are the child side.  */
@@ -768,7 +769,7 @@ start_waiting_job (c)
     {
       /* Put this child on the chain of children waiting
 	 for the load average to go down.  */
-      c->file->command_state = cs_running;
+      set_command_state (c->file, cs_running);
       c->next = waiting_jobs;
       waiting_jobs = c;
       return 0;
@@ -1073,6 +1074,11 @@ child_execute_job (stdin_fd, stdout_fd, argv, envp)
   exec_command (argv, envp);
 }
 
+#if 0
+
+/* Default path to search for executables.  */
+static char default_path[] = ":/bin:/usr/bin";
+
 /* Search PATH for FILE.
    If successful, store the full pathname in PROGRAM and return 1.
    If not sucessful, return zero.  */
@@ -1171,6 +1177,7 @@ search_path (file, path, program)
 
   return 0;
 }
+#endif /* search_path commented out */
 
 /* Replace the current process with one running the command in ARGV,
    with environment ENVP.  This function does not return.  */
@@ -1179,59 +1186,36 @@ void
 exec_command (argv, envp)
      char **argv, **envp;
 {
-  char *shell, *path;
-  PATH_VAR (program);
-  register char **ep;
-
-  shell = path = 0;
-  for (ep = envp; *ep != 0; ++ep)
-    {
-      if (shell == 0 && !strncmp(*ep, "SHELL=", 6))
-	shell = &(*ep)[6];
-      else if (path == 0 && !strncmp(*ep, "PATH=", 5))
-	path = &(*ep)[5];
-      else if (path != 0 && shell != 0)
-	break;
-    }
-
   /* Be the user, permanently.  */
   child_access ();
 
-  if (!search_path (argv[0], path, program))
-    error ("%s: Command not found", argv[0]);
-  else
-    {
   /* Run the program.  */
-      execve (program, argv, envp);
+  environ = envp;
+  execvp (argv[0], argv);
   
-      if (errno == ENOEXEC)
+  switch (errno)
     {
-	  PATH_VAR (shell_program);
+    case ENOENT:
-	  char *shell_path;
+      error ("%s: Command not found", argv[0]);
-	  if (shell == 0)
+      break;
-	    shell_path = default_shell;
+    case ENOEXEC:
-	  else
-	    {
-	      if (search_path (shell, path, shell_program))
-		shell_path = shell_program;
-	      else
-		{
-		  shell_path = 0;
-		  error ("%s: Shell program not found", shell);
-		}
-	    }
-
-	  if (shell_path != 0)
       {
+	/* The file is not executable.  Try it as a shell script.  */
+	extern char *getenv ();
+	char *shell;
 	char **new_argv;
 	int argc;
 
+	shell = getenv ("SHELL");
+	if (shell == 0)
+	  shell = default_shell;
+
 	argc = 1;
 	while (argv[argc] != 0)
 	  ++argc;
 
 	new_argv = (char **) alloca ((1 + argc + 1) * sizeof (char *));
-	      new_argv[0] = shell_path;
+	new_argv[0] = shell;
 	new_argv[1] = program;
 	while (argc > 0)
 	  {
@@ -1239,22 +1223,28 @@ exec_command (argv, envp)
 	    --argc;
 	  }
 
-	      execve (shell_path, new_argv, envp);
+	execvp (shell, new_argv);
-	      perror_with_name ("execve: ", shell_path);
+	if (errno == ENOENT)
-	    }
+	  error ("%s: Shell program not found", shell);
-	}
 	else
-	perror_with_name ("execve: ", program);
+	  perror_with_name ("execvp: ", shell);
+	break;
+      }
+
+    default:
+      perror_with_name ("execvp: ", argv[0]);
+      break;
     }
 
   _exit (127);
 }
 
-/* Figure out the argument list necessary to run LINE as a command.
+/* Figure out the argument list necessary to run LINE as a command.  Try to
-   Try to avoid using a shell.  This routine handles only ' quoting.
+   avoid using a shell.  This routine handles only ' quoting, and " quoting
-   Starting quotes may be escaped with a backslash.  If any of the
+   when no backslash, $ or ` characters are seen in the quotes.  Starting
-   characters in sh_chars[] is seen, or any of the builtin commands
+   quotes may be escaped with a backslash.  If any of the characters in
-   listed in sh_cmds[] is the first word of a line, the shell is used.
+   sh_chars[] is seen, or any of the builtin commands listed in sh_cmds[]
+   is the first word of a line, the shell is used.
 
    If RESTP is not NULL, *RESTP is set to point to the first newline in LINE.
    If *RESTP is NULL, newlines will be ignored.
@@ -1332,7 +1322,7 @@ construct_command_argv_internal (line, restp, shell, ifs)
 	string_char:
 	  /* Inside a string, just copy any char except a closing quote
 	     or a backslash-newline combination.  */
-	  if (*p == '\'')
+	  if (*p == instring)
 	    instring = 0;
 	  else if (*p == '\\' && p[1] == '\n')
 	    goto swallow_escaped_newline;
@@ -1342,6 +1332,10 @@ construct_command_argv_internal (line, restp, shell, ifs)
 	      *restp = p;
 	      goto end_of_line;
 	    }
+	  /* Backslash, $, and ` are special inside double quotes.
+	     If we see any of those, punt.  */
+	  else if (instring == '"' && index ("\\$`", *p) != 0)
+	    goto slow;
 	  else
 	    *ap++ = *p;
 	}
@@ -1399,7 +1393,8 @@ construct_command_argv_internal (line, restp, shell, ifs)
 	    break;
 
 	  case '\'':
-	    instring = 1;
+	  case '"':
+	    instring = *p;
 	    break;
 
 	  case '\n':
@@ -1564,7 +1559,7 @@ construct_command_argv_internal (line, restp, shell, ifs)
 	    continue;
 	  }
 
-	if (*p == '\\' || *p == '\''
+	if (*p == '\\' || *p == '\'' || *p == '"'
 	    || isspace (*p)
 	    || index (sh_chars, *p) != 0)
 	  *ap++ = '\\';
@@ -1580,11 +1575,12 @@ construct_command_argv_internal (line, restp, shell, ifs)
   return new_argv;
 }
 
-/* Figure out the argument list necessary to run LINE as a command.
+/* Figure out the argument list necessary to run LINE as a command.  Try to
-   Try to avoid using a shell.  This routine handles only ' quoting.
+   avoid using a shell.  This routine handles only ' quoting, and " quoting
-   Starting quotes may be escaped with a backslash.  If any of the
+   when no backslash, $ or ` characters are seen in the quotes.  Starting
-   characters in sh_chars[] is seen, or any of the builtin commands
+   quotes may be escaped with a backslash.  If any of the characters in
-   listed in sh_cmds[] is the first word of a line, the shell is used.
+   sh_chars[] is seen, or any of the builtin commands listed in sh_cmds[]
+   is the first word of a line, the shell is used.
 
    If RESTP is not NULL, *RESTP is set to point to the first newline in LINE.
    If *RESTP is NULL, newlines will be ignored.

main.c

@@ -1,5 +1,5 @@
 /* Argument parsing and main program of GNU Make.
-Copyright (C) 1988, 89, 90, 91, 94 Free Software Foundation, Inc.
+Copyright (C) 1988, 89, 90, 91, 94, 1995 Free Software Foundation, Inc.
 This file is part of GNU Make.
 
 GNU Make is free software; you can redistribute it and/or modify
@@ -1367,13 +1367,16 @@ positive integral argument",
   if (!env && (bad || print_usage_flag))
     {
       /* Print a nice usage message.  */
+      FILE *usageto;
 
       if (print_version_flag)
 	print_version ();
 
-      fprintf (stderr, "Usage: %s [options] [target] ...\n", program);
+      usageto = bad ? stderr : stdout;
 
-      fputs ("Options:\n", stderr);
+      fprintf (usageto, "Usage: %s [options] [target] ...\n", program);
+
+      fputs ("Options:\n", usageto);
       for (cs = switches; cs->c != '\0'; ++cs)
 	{
 	  char buf[1024], shortarg[50], longarg[50], *p;
@@ -1444,11 +1447,11 @@ positive integral argument",
 	       line with the description, leaving at least two spaces.
 	       Print it on its own line instead.  */
 	    {
-	      fprintf (stderr, "%s\n", buf);
+	      fprintf (usageto, "%s\n", buf);
 	      buf[0] = '\0';
 	    }
 
-	  fprintf (stderr, "%*s%s.\n",
+	  fprintf (usageto, "%*s%s.\n",
 		   - DESCRIPTION_COLUMN,
 		   buf, cs->description);
 	}
@@ -1781,6 +1784,11 @@ define_makeflags (all, makefile)
 	  p += sizeof ref - 1;
 	}
     }
+  else if (p == &flagstring[1])
+    {
+      words = 0;
+      --p;
+    }
   else if (p[-1] == '-')
     /* Kill the final space and dash.  */
     p -= 2;

make-stds.texi

@@ -163,6 +163,11 @@ the file names where they should reside for actual use.  If there is a
 simple test to verify that a program is properly installed, this target
 should run that test.
 
+If possible, write the @code{install} target rule so that it does not
+modify anything in the directory where the program was built, provided
+@samp{make all} has just been done.  This is convenient for building the
+program under one user name and installing it under another.
+
 The commands should create all the directories in which files are to be
 installed, if they don't already exist.  This includes the directories
 specified as the values of the variables @code{prefix} and
@@ -205,6 +210,9 @@ Delete all the installed files that the @samp{install} target would
 create (but not the noninstalled files such as @samp{make all} would
 create).
 
+This rule should not modify the directories where compilation is done,
+only the directories where files are installed.
+
 @comment The gratuitous blank line here is to make the table look better
 @comment in the printed Make manual.  Please leave it in.
 @item clean
@@ -327,6 +335,9 @@ installdirs: mkinstalldirs
                                 $(libdir) $(infodir) \
                                 $(mandir)
 @end smallexample
+
+This rule should not modify the directories where compilation is done.
+It should do nothing but create installation directories.
 @end table
 
 @node Command Variables
@@ -401,7 +412,9 @@ installed.
 
 Installation directories should always be named by variables, so it is
 easy to install in a nonstandard place.  The standard names for these
-variables are as follows.
+variables are described below.  They are based on a standard filesystem
+layout; variants of it are used in SVR4, 4.4BSD, Linux, Ultrix v4, and
+other modern operating systems.
 
 These two variables set the root for the installation.  All the other
 installation directories should be subdirectories of one of these two,
@@ -411,7 +424,8 @@ and nothing should be directly installed into these two directories.
 @item prefix
 A prefix used in constructing the default values of the variables listed
 below.  The default value of @code{prefix} should be @file{/usr/local}
-(at least for now).
+When building the complete GNU system, the prefix will be empty and
+@file{/usr} will be a symbolic link to @file{/}.
 
 @item exec_prefix
 A prefix used in constructing the default values of some of the

make.texinfo

@@ -8,7 +8,7 @@
 @c FSF publishers: format makebook.texi instead of using this file directly.
 
 @set RCSID $Id$
-@set EDITION 0.47 DRAFT
+@set EDITION 0.47
 @set VERSION 3.72 Beta
 @set UPDATED 1 November 1994
 @set UPDATE-MONTH November 1994
@@ -5400,12 +5400,12 @@ variable names because many strange things are valid variable names, but
 are probably not what you intended.  For example,
 
 @smallexample
-files := $(foreach Es escrito en espanol!,b c ch,$(find_files))
+files := $(foreach Esta escrito en espanol!,b c ch,$(find_files))
 @end smallexample
 
 @noindent
 might be useful if the value of @code{find_files} references the variable
-whose name is @samp{Es escrito en espanol!} (es un nombre bastante largo,
+whose name is @samp{Esta escrito en espanol!} (es un nombre bastante largo,
 no?), but it is more likely to be a mistake.
 
 @node Origin Function, Shell Function, Foreach Function, Functions

remake.c

@@ -491,6 +491,15 @@ update_file_1 (file, depth)
       return dep_status;
     }
 
+  if (file->command_state == cs_deps_running)
+    /* The commands for some deps were running on the last iteration, but
+       they have finished now.  Reset the command_state to not_started to
+       simplify later bookkeeping.  It is important that we do this only
+       when the prior state was cs_deps_running, because that prior state
+       was definitely propagated to FILE's also_make's by set_command_state
+       (called above), but in another state an also_make may have
+       independently changed to finished state, and we would confuse that
+       file's bookkeeping (updated, but not_started is bogus state).  */
     set_command_state (file, cs_not_started);
 
   /* Now record which dependencies are more
@@ -639,7 +648,7 @@ notice_finished_file (file)
 	f->last_mtime = file->last_mtime;
     }
 
-  if (file->update_status != -1)
+  if (ran && file->update_status != -1)
     /* We actually tried to update FILE, which has
        updated its also_make's as well (if it worked).
        If it didn't work, it wouldn't work again for them.