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+#
+# Common configuration rules for all of octave's Makefiles.
+#
+# John W. Eaton
+# jwe@che.utexas.edu
+# Department of Chemical Engineering
+# The University of Texas at Austin
+
+SHELL = /bin/sh
+
+#### Start of system configuration section. ####
+
+LEX = @LEX@
+LFLAGS = @LFLAGS@
+LEXLIB = @LEXLIB@
+
+YACC = @YACC@
+YFLAGS = -dv
+
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+
+RANLIB = @RANLIB@
+
+RUNTEST = @RUNTEST@
+
+DEFAULT_PAGER = @DEFAULT_PAGER@
+
+# Fortran to C translator and associated flags.
+
+F2C = @F2C@
+F2CFLAGS = @F2CFLAGS@
+
+# Fortran compiler flags.
+
+FFLAGS = @FFLAGS@
+
+# cc and associated flags.
+
+INCFLAGS = -I. -I$(srcdir)
+LIBFLAGS = -L$(TOPDIR)
+DEFS = @DEFS@
+
+CC = @CC@
+CFLAGS = @CFLAGS@
+ALL_CFLAGS = $(INCFLAGS) $(DEFS) $(CFLAGS)
+
+ifeq ($(CXX), )
+  CXX = $(C++)
+endif
+
+CXXFLAGS = @CXXFLAGS@   # GNU Make 3.63 and beyond
+C++FLAGS = $(CXXFLAGS)  # backward compatibility
+ALL_CXXFLAGS = $(INCFLAGS) $(DEFS) $(CXXFLAGS)
+
+LDFLAGS = @LDFLAGS@
+ALL_LDFLAGS = $(LIBFLAGS) $(LDFLAGS)
+
+FLIBS = @FLIBS@
+
+# A shell command to extract the version number from version.h.
+getversion = sed -e '/version_string/!d' -e 's/[^0-9.]*\([0-9.]*\).*/\1/' -e q 
+
+# The version number.  TOPDIR is something like `.' or `..' or `../..'
+# and gets us back up to the top level of the source tree.
+version = `$(getversion) $(srcdir)/$(TOPDIR)/src/version.h`
+
+# Common prefix for installation directories.
+# NOTE: This directory must exist when you start installation.
+prefix = /usr/local
+
+# Directory in which to put host dependent programs and libraries
+exec_prefix = $(prefix)
+
+# Where to install the executables.
+bindir = $(exec_prefix)/bin
+
+# Where to put libraries like libcruft.a, liboctave.a, and libreadline.a
+libdir = $(exec_prefix)/lib
+
+# Where octave will look for M-files
+libsubdir = $(libdir)/octave/$(version)
+
+# Where to put the manual pages.
+mandir = $(prefix)/man/man1
+# Extension (not including `.') for the installed manual page filenames.
+manext = 1
+
+# Where to put the info files.
+infodir = $(prefix)/info
+
+# Where to put extra data files, system-wide startup files, etc.
+datadir = $(prefix)/lib/octave
+
+# Where to put installed include files.
+includedir = $(prefix)/include
+
+# The type of computer we are running on.
+target_host_type = @target_host_type@
+
+# The following pattern rules and the substitution functions require
+# GNU make.  If you don't have it, get it!
+
+@DEFAULT_DOT_C_FROM_DOT_F@
+
+@DEFAULT_DOT_O_FROM_DOT_F@
+
+# How to make .o files from .c files:
+
+.c.o:
+	$(CC) -c $(CPPFLAGS) $(ALL_CFLAGS) $<
+
+.cc.o:
+	$(CXX) -c $(CPPFLAGS) $(ALL_CXXFLAGS) $<