File: configure.in

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bow 19991122-4
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  • sloc: ansic: 38,660; lisp: 1,072; makefile: 594; perl: 492; yacc: 149; sh: 91
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AC_INIT(int4str.c)

# configure.in for "libbow".
# Process this file with autoconf to produce a configure script.

# Let the user set CPPFLAGS and CFLAGS on the ./configure command-line
AC_SUBST(CPPFLAGS)
if test -z "$CFLAGS" ; then
  CFLAGS="-g -O -Wall -Wimplicit"  #provide a default for CFLAGS
fi
AC_SUBST(CFLAGS)

# Find the compiler
AC_PROG_CC
AC_PROG_CPP

# Find some installation programs
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_PROG_YACC
AC_PROG_LEX

# Needed by Solaris machines (most other machines have socket stuff in libc)
AC_CHECK_LIB(socket,main)

# Needed by hdb.c
AC_CHECK_FUNCS(strerror)

# Needed by random.c
AC_CHECK_FUNCS(gettimeofday)
AC_CHECK_FUNCS(random)
AC_CHECK_FUNCS(srandom)

# Needed by lex-simple.c
AC_CHECK_FUNCS(setenv)

# Needed in various files
AC_CHECK_FUNCS(strchr)
AC_CHECK_FUNCS(strrchr)

# Needed by weight.c
AC_CHECK_FUNCS(log2f)
AC_CHECK_FUNCS(sqrtf)

# Needed by svm_*.c on some systems
AC_EGREP_CPP(fpsetmask,
	[#include <floatingpoint.h>
         #ifdef fpsetmask
          fpsetmask
         #endif
         ], echo "#define HAVE_FPSETMASK 1" >> confdefs.h
)

# Needed on DEC alpha machines
AC_CHECK_HEADERS(alloca.h)

# Find location of the perl interpreter executable
#  first look for `perl5'
AC_PATH_PROG(PERL, perl5)
#  if it isn't found, look for `perl'
if test -z "$PERL" ; then
  AC_PATH_PROG(PERL, perl)
fi
AC_SUBST(PERL)

# Find out if `__attribute__ ((constructor))' works.  If it doesn't,
# define CONSTRUCTOR_FAILS.
AC_MSG_CHECKING(if __attribute__((constructor)) works)
AC_TRY_RUN(
	int did_foo = 0;
	void foo () __attribute__ ((constructor));
	void foo () {
	  did_foo = 1;
	}
	main() {
	  if (did_foo)
	    exit (0);
	  exit (-1);
	},
CONSTRUCTOR_FAILS=0
  AC_MSG_RESULT(yes),
CONSTRUCTOR_FAILS=1; AC_DEFINE(CONSTRUCTOR_FAILS)
  AC_MSG_RESULT(no),
CONSTRUCTOR_FAILS=1; AC_DEFINE(CONSTRUCTOR_FAILS)
  AC_MSG_RESULT(cross-compiling; guessing no)
)
	  
# Look for MSWindows winsock library
AC_CHECK_LIB(wsock32, main)

# Make AC_OUTPUT call configure in these subdirectories
AC_CONFIG_SUBDIRS(argp)

# Write the Makefiles
AC_OUTPUT(Makefile)