www.pudn.com > gzip_win.zip > configure.in

dnl Process this file with autoconf to produce a configure script for gzip 
dnl 
dnl Same as AC_RETSIGTYPE, but use a void default. 
dnl 
define(AC_RETSIGTYP, 
[AC_COMPILE_CHECK([return type of signal handlers], 
[#include  
#include  
#ifdef signal 
#undef signal 
#endif 
extern void (*signal ()) ();], 
[int i;], 
[], 
[AC_DEFINE(RETSIGTYPE, int)], 
)] 
)dnl 
dnl 
dnl End of local macros 
dnl 
AC_INIT(gzip.c) 
AC_PROG_CC 
AC_PROG_CPP 
dnl 
dnl Try to assemble match.S with and without leading underline. 
dnl cc -E produces incorrect asm files on SVR4, we must use /lib/cpp. 
dnl Also, "gcc -E match.s" ignores -E, so we must use match.S. 
echo checking for underline in external names 
test -z "$ASCPP" -a -f /lib/cpp && ASCPP=/lib/cpp 
test -z "$ASCPP" && ASCPP="$CC -E" 
cat > conftest.c < /dev/null 2>&1" 
if nm conftest.o | grep _foo > /dev/null 2>&1 ; then 
  : 
else 
  ASCPP="${ASCPP} -DNO_UNDERLINE" 
fi 
rm -f _match.o conftest.c conftest.o 
if echo "$DEFS" | grep NO_ASM >/dev/null; then 
  : 
else 
  echo checking for assembler 
  OBJA="" 
  if eval "$ASCPP $srcdir/match.S > _match.s 2>/dev/null"; then 
    if test ! -s _match.s || grep error < _match.s > /dev/null; then 
      : 
    elif eval "$CC -c _match.s >/dev/null 2>&1" && test -f _match.o; then 
      DEFS="${DEFS} -DASMV" 
      OBJA=match.o 
    fi 
  fi 
  rm -f _match.s _match.o 
fi 
dnl 
AC_PROG_INSTALL 
AC_AIX 
AC_MINIX 
AC_ISC_POSIX 
AC_DYNIX_SEQ 
AC_STDC_HEADERS 
dnl if STDC_HEADERS can't be defined, look for special files: 
AC_HEADER_CHECK(string.h, ,AC_DEFINE(NO_STRING_H)) 
AC_HEADER_CHECK(stdlib.h, ,AC_DEFINE(NO_STDLIB_H)) 
AC_HEADER_CHECK(memory.h, ,AC_DEFINE(NO_MEMORY_H)) 
AC_HEADER_CHECK(fcntl.h,  ,AC_DEFINE(NO_FCNTL_H)) 
AC_HEADER_CHECK(time.h,   ,AC_DEFINE(NO_TIME_H)) 
AC_HAVE_HEADERS(unistd.h) 
utime=0 
AC_HEADER_CHECK(utime.h, utime=1 ,AC_DEFINE(NO_UTIME_H)) 
if test $utime -eq 0; then 
  AC_HAVE_HEADERS(sys/utime.h) 
fi 
AC_DIR_HEADER 
AC_XENIX_DIR 
AC_RETSIGTYP 
AC_SIZE_T 
AC_HEADER_EGREP(off_t, sys/types.h, ,AC_DEFINE(NO_OFF_T)) 
AC_HAVE_POUNDBANG([SEDCMD="1d"], [SEDCMD=""]) 
AC_PREFIX(gzip) 
if test -z "$G" -a -n "$prefix" -a -f $prefix/bin/gznew; then 
  G=g 
fi 
if test -z "$ZCAT"; then 
  if test -n "$prefix" -a -f $prefix/bin/gzcat; then 
    ZCAT=gzcat 
  else 
    ZCAT=${G}zcat 
  fi 
fi 
AC_SUBST(ZCAT)dnl 
AC_SUBST(G)dnl 
AC_SUBST(CFLAGS)dnl 
AC_SUBST(ASCPP)dnl 
AC_SUBST(OBJA)dnl 
AC_SUBST(SEDCMD)dnl 
AC_OUTPUT(Makefile)