configure

一个C格式的脚本处理函数库源代码,可让你的C程序具有执行C格式的脚本文件

#else
dlopen();
#endif

; return 0; }
EOF
if { (eval echo configure:1912: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_dlopen=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_dlopen=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  cat >> confdefs.h <<\EOF
#define HAVE_DLOPEN 1
EOF

else
  echo "$ac_t""no" 1>&6
fi

    if test "$ac_cv_func_dlopen" != yes
    then
      echo "configure: warning: cannot perform dynamic linking" 1>&2
    fi
   
fi

else
  echo "$ac_t""no" 1>&6
fi



ELFLIB="lib\$(THIS_LIB).so"
ELFLIB_MAJOR="\$(ELFLIB).\$(ELF_MAJOR_VERSION)"
ELFLIB_MAJOR_MINOR="\$(ELFLIB).\$(ELF_MAJOR_VERSION).\$(ELF_MINOR_VERSION)"

case "$host_os" in
  *linux* )
    DYNAMIC_LINK_FLAGS="-Wl,-export-dynamic"
    ELF_CC="gcc"
    ELF_CFLAGS="-O2 -fno-strength-reduce -fPIC"
    ELF_LINK="gcc -shared -Wl,-soname#"
    ELF_LINK_CMD="\$(ELF_LINK),\$(ELFLIB_MAJOR)"
    ELF_DEP_LIBS="\$(DL_LIB) -lm -lc"
    CC_SHARED="gcc \$(CFLAGS) -shared -fPIC"
    ;;
  *solaris* )
    if test "$GCC" = yes
    then
      DYNAMIC_LINK_FLAGS=""
      ELF_CC="gcc"
      ELF_CFLAGS="-O2 -fno-strength-reduce -fPIC"
      ELF_LINK="gcc -shared -Wl,-ztext -Wl,-h#"
      ELF_LINK_CMD="\$(ELF_LINK),\$(ELFLIB_MAJOR)"
      ELF_DEP_LIBS="\$(DL_LIB) -lm -lc"
      CC_SHARED="gcc \$(CFLAGS) -G -fPIC"
    else
      DYNAMIC_LINK_FLAGS=""
      ELF_CC="cc"
      ELF_CFLAGS="-K pic"
      ELF_LINK="cc -G -h#"
      ELF_LINK_CMD="\$(ELF_LINK)\$(ELFLIB_MAJOR)"
      ELF_DEP_LIBS="\$(DL_LIB) -lm -lc"
      CC_SHARED="cc \$(CFLAGS) -G -K pic"
    fi
    ;;
   # osr5 or unixware7 with current or late autoconf
  *sco3.2v5* | *unixware-5* | *sco-sysv5uw7*)
     if test "$GCC" = yes
     then
       DYNAMIC_LINK_FLAGS=""
       ELF_CC="gcc"
       ELF_CFLAGS="-O2 -fno-strength-reduce -fPIC"
       ELF_LINK="gcc -shared -Wl,-h#"
       ELF_LINK_CMD="\$(ELF_LINK),\$(ELFLIB_MAJOR)"
       ELF_DEP_LIBS=
       CC_SHARED="gcc \$(CFLAGS) -G -fPIC"
     else
       DYNAMIC_LINK_FLAGS=""
       ELF_CC="cc"
       ELF_CFLAGS="-K pic"
       # ELF_LINK="ld -G -z text -h#"
       ELF_LINK="cc -G -z text -h#"
       ELF_LINK_CMD="\$(ELF_LINK)\$(ELFLIB_MAJOR)"
       ELF_DEP_LIBS=
       CC_SHARED="cc \$(CFLAGS) -G -K pic"
     fi
     ;;
  *irix6.5* )
     echo "Note: ELF compiler for host_os=$host_os may not be correct"
     echo "double-check: 'mode_t', 'pid_t' may be wrong!"
     if test "$GCC" = yes
     then
       # not tested
       DYNAMIC_LINK_FLAGS=""
       ELF_CC="gcc"
       ELF_CFLAGS="-O2 -fno-strength-reduce -fPIC"
       ELF_LINK="gcc -shared -Wl,-h#"
       ELF_LINK_CMD="\$(ELF_LINK),\$(ELFLIB_MAJOR)"
       ELF_DEP_LIBS=
       CC_SHARED="gcc \$(CFLAGS) -shared -fPIC"
     else
       DYNAMIC_LINK_FLAGS=""
       ELF_CC="cc"
       ELF_CFLAGS="-K pic"     # default anyhow
       ELF_LINK="cc -shared -o #"
       ELF_LINK_CMD="\$(ELF_LINK)\$(ELFLIB_MAJOR)"
       ELF_DEP_LIBS=
       CC_SHARED="cc \$(CFLAGS) -shared -K pic"
     fi
     ;;
  *darwin* )
     DYNAMIC_LINK_FLAGS=""
     ELF_CC="cc"
     ELF_CFLAGS="$CFLAGS -O2 -fno-strength-reduce -fno-common"
     ELF_LINK="cc -dynamiclib"
     ELF_LINK_CMD="\$(ELF_LINK) -install_name \$(install_lib_dir)/\$(ELFLIB_MAJOR) -compatibility_version \$(ELF_MAJOR_VERSION) -current_version \$(ELF_MAJOR_VERSION).\$(ELF_MINOR_VERSION)"
     ELF_DEP_LIBS="$LDFLAGS \$(DL_LIB)"
     CC_SHARED="cc -bundle -flat_namespace -undefined suppress \$(CFLAGS) -fno-common"
     ELFLIB="lib\$(THIS_LIB).dylib"
     ELFLIB_MAJOR="lib\$(THIS_LIB).\$(ELF_MAJOR_VERSION).dylib"
     ELFLIB_MAJOR_MINOR="lib\$(THIS_LIB).\$(ELF_MAJOR_VERSION).\$(ELF_MINOR_VERSION).dylib"
     ;;
  * )
    echo "Note: ELF compiler for host_os=$host_os may be wrong"
    ELF_CC="$CC"
    ELF_CFLAGS="$CFLAGS -fPIC"
    ELF_LINK="$CC -shared"
    ELF_LINK_CMD="\$(ELF_LINK)"
    ELF_DEP_LIBS="\$(DL_LIB) -lm -lc"
    CC_SHARED="$CC $CFLAGS -shared -fPIC"
esac













case "$host_cpu" in
  *alpha* )
    if test "$GCC" = yes
    then
      IEEE_CFLAGS="-mieee"
    else
      IEEE_CFLAGS="-ieee_with_no_inexact"
    fi
    ;;
  * )
    IEEE_CFLAGS=""
esac


ELF_CFLAGS="$ELF_CFLAGS $IEEE_CFLAGS"
CFLAGS="$CFLAGS $IEEE_CFLAGS"


if test "X$libdir" != "X"
then
  if test "X$RPATH" = "X"
  then 
    
case "$host_os" in
  *linux*|*solaris* )
    if test "X$GCC" = Xyes
    then
      if test "X$ac_R_nospace" = "Xno"
      then
        RPATH="-Wl,-R,"
      else
        RPATH="-Wl,-R"
      fi
    else
      if test "X$ac_R_nospace" = "Xno"
      then
        RPATH="-R "
      else
	RPATH="-R"
      fi
    fi
  ;;
  *osf*)
    if test "X$GCC" = Xyes
    then
      RPATH="-Wl,-rpath,"
    else
      RPATH="-rpath "
    fi
  ;;
esac

    if test "X$RPATH" != "X"
    then
      RPATH="$RPATH$libdir"
    fi
  else
    RPATH="$RPATH:$libdir"
  fi
fi


echo $ac_n "checking size of short""... $ac_c" 1>&6
echo "configure:2123: checking size of short" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_short'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
  ac_cv_sizeof_short=2
else
  cat > conftest.$ac_ext <<EOF
#line 2131 "configure"
#include "confdefs.h"
#include <stdio.h>
#include <sys/types.h>
main()
{
  FILE *f=fopen("conftestval", "w");
  if (!f) exit(1);
  fprintf(f, "%d\n", sizeof(short));
  exit(0);
}
EOF
if { (eval echo configure:2143: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_sizeof_short=`cat conftestval`
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_sizeof_short=0
fi
rm -fr conftest*
fi

fi
echo "$ac_t""$ac_cv_sizeof_short" 1>&6
cat >> confdefs.h <<EOF
#define SIZEOF_SHORT $ac_cv_sizeof_short
EOF


echo $ac_n "checking size of int""... $ac_c" 1>&6
echo "configure:2163: checking size of int" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
  ac_cv_sizeof_int=4
else
  cat > conftest.$ac_ext <<EOF
#line 2171 "configure"
#include "confdefs.h"
#include <stdio.h>
#include <sys/types.h>
main()
{
  FILE *f=fopen("conftestval", "w");
  if (!f) exit(1);
  fprintf(f, "%d\n", sizeof(int));
  exit(0);
}
EOF
if { (eval echo configure:2183: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_sizeof_int=`cat conftestval`
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_sizeof_int=0
fi
rm -fr conftest*
fi

fi
echo "$ac_t""$ac_cv_sizeof_int" 1>&6
cat >> confdefs.h <<EOF
#define SIZEOF_INT $ac_cv_sizeof_int
EOF


echo $ac_n "checking size of long""... $ac_c" 1>&6
echo "configure:2203: checking size of long" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
  ac_cv_sizeof_long=4
else
  cat > conftest.$ac_ext <<EOF
#line 2211 "configure"
#include "confdefs.h"
#include <stdio.h>
#include <sys/types.h>
main()
{
  FILE *f=fopen("conftestval", "w");
  if (!f) exit(1);
  fprintf(f, "%d\n", sizeof(long));
  exit(0);
}
EOF
if { (eval echo configure:2223: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_sizeof_long=`cat conftestval`
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_sizeof_long=0
fi
rm -fr conftest*
fi

fi
echo "$ac_t""$ac_cv_sizeof_long" 1>&6
cat >> confdefs.h <<EOF
#define SIZEOF_LONG $ac_cv_sizeof_long
EOF


echo $ac_n "checking size of float""... $ac_c" 1>&6
echo "configure:2243: checking size of float" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_float'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
  ac_cv_sizeof_float=4
else
  cat > conftest.$ac_ext <<EOF
#line 2251 "configure"
#include "confdefs.h"
#include <stdio.h>
#include <sys/types.h>
main()
{
  FILE *f=fopen("conftestval", "w");
  if (!f) exit(1);
  fprintf(f, "%d\n", sizeof(float));
  exit(0);
}
EOF
if { (eval echo configure:2263: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_sizeof_float=`cat conftestval`
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_sizeof_float=0
fi
rm -fr conftest*
fi

fi
echo "$ac_t""$ac_cv_sizeof_float" 1>&6
cat >> confdefs.h <<EOF
#define SIZEOF_FLOAT $ac_cv_sizeof_float
EOF


echo $ac_n "checking size of double""... $ac_c" 1>&6
echo "configure:2283: checking size of double" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_double'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
  ac_cv_sizeof_double=8
else
  cat > conftest.$ac_ext <<EOF
#line 2291 "configure"
#include "confdefs.h"
#include <stdio.h>
#include <sys/types.h>
main()
{
  FILE *f=fopen("conftestval", "w");
  if (!f) exit(1);
  fprintf(f, "%d\n", sizeof(double));
  exit(0);
}
EOF
if { (eval echo configure:2303: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_sizeof_double=`cat conftestval`
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_sizeof_double=0
fi
rm -fr conftest*
fi

fi
echo "$ac_t""$ac_cv_sizeof_double" 1>&6
cat >> confdefs.h <<EOF
#define SIZEOF_DOUBLE $ac_cv_sizeof_double
EOF




echo $ac_n "checking for Terminfo""... $ac_c" 1>&6
echo "configure:2325: checking for Terminfo" >&5
MISC_TERMINFO_DIRS="$FINKPREFIX/share/terminfo"
if test ! -d $MISC_TERMINFO_DIRS
then
   MISC_TERMINFO_DIRS=""
fi

JD_Terminfo_Dirs="/usr/lib/terminfo \
                 /usr/share/terminfo \
                 /usr/share/lib/terminfo \
		 /usr/local/lib/terminfo \
		 $MISC_TERMINFO_DIRS"

TERMCAP=-ltermcap

for terminfo_dir in $JD_Terminfo_Dirs
do
   if test -d $terminfo_dir 
   then
      echo "$ac_t""yes" 1>&6
      TERMCAP=""
      break
   fi
done
if test "$TERMCAP"; then
  echo "$ac_t""no" 1>&6
  cat >> confdefs.h <<\EOF
#define USE_TERMCAP 1
EOF

fi


# Check whether --enable-warnings or --disable-warnings was given.
if test "${enable_warnings+set}" = set; then
  enableval="$enable_warnings"
  gcc_warnings=$enableval
fi

if test -n "$GCC"
then
  CFLAGS="$CFLAGS -fno-strength-reduce"
  if test -n "$gcc_warnings"
  then
    CFLAGS="$CFLAGS -Wall -W -pedantic -Winline -Wmissing-prototypes \
 -Wnested-externs -Wpointer-arith -Wcast-align -Wshadow -Wstrict-prototypes"
    # Now trim excess whitespace
    CFLAGS=`echo $CFLAGS`
  fi
fi



#------------------------------------