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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 "$CFLAGS" ; then
CFLAGS="-g -O -Wall -Wimplicit" #provide a default for CFLAGS
fi
AC_SUBST(CFLAGS)
# Find the compiler
AC_PROG_CC
AC_PROG_CPP
# Find some installation programs
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_PROG_YACC
AC_PROG_LEX
# Needed by Solaris machines (most other machines have socket stuff in libc)
AC_CHECK_LIB(socket,main)
AC_CHECK_LIB(nsl,main)
# Needed by hdb.c
AC_CHECK_FUNCS(strerror)
# Needed by random.c
AC_CHECK_FUNCS(gettimeofday)
AC_CHECK_FUNCS(random)
AC_CHECK_FUNCS(srandom)
# Needed by lex-simple.c
AC_CHECK_FUNCS(setenv)
# Needed in various files
AC_CHECK_FUNCS(strchr)
AC_CHECK_FUNCS(strrchr)
# Needed by weight.c
AC_CHECK_FUNCS(log2f)
AC_CHECK_FUNCS(sqrtf)
# Needed by svm_*.c on some systems
AC_EGREP_CPP(fpsetmask,
[#include <floatingpoint.h>
#ifdef fpsetmask
fpsetmask
#endif
], echo "#define HAVE_FPSETMASK 1" >> confdefs.h
)
# Needed on DEC alpha machines
AC_CHECK_HEADERS(alloca.h)
# Find location of the perl interpreter executable
# first look for `perl5'
AC_PATH_PROG(PERL, perl5)
# if it isn't found, look for `perl'
if test -z "$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)
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