configure.in

波浪数值模拟

dnl Process this file with autoconf to produce a configure script.

dnl Process this file with autoconf to produce a configure script.

AC_INIT(funwaveC.c)

FUNWAVEC_MAJOR_VERSION="0"
FUNWAVEC_MINOR_VERSION="1"
FUNWAVEC_MICRO_VERSION="4"


AC_SUBST(FUNWAVEC_MAJOR_VERSION)
AC_SUBST(FUNWAVEC_MINOR_VERSION)
AC_SUBST(FUNWAVEC_MICRO_VERSION)

dnl Check for the debug option

AC_ARG_ENABLE(debug, [--enable-debug   compile with debugging stuff turned on], edebug=$enableval, edebug=no)
AC_ARG_ENABLE(debug2, [--enable-debug2   compile with extra-debugging stuff turned on], edebug2=$enableval, edebug2=no)


DE_ROTATION="0"
TH_YES="1"
DE_BUG2="0"

if test "$edebug" = "yes"; then
   echo "Compiling w/ debugging & no threads"
   TH_YES="0"
fi


if test "$edebug2" = "yes"; then
   echo "Compiling w/ debugging level2"
   TH_YES="0"
   DE_BUG2="1"
fi

#if test "$erotation" = "yes"; then
#   echo "Compiling w/ rotation in mean flow dynamics"
#   DE_ROTATION="1"
#fi



AC_SUBST(TH_YES)
AC_SUBST(DE_BUG2)


AC_CANONICAL_HOST


dnl Checks for programs - basically the C compiler

AC_PROG_MAKE_SET
AC_PROG_CC

dnl Checks for libraries.
dnl Replace `main' with a function in -lfftw:


dnl Check for threads library

THREADLIBS="no"

AC_MSG_CHECKING(for pthread functions in standard libraries)
AC_TRY_LINK(, [pthread_create();],AC_MSG_RESULT(yes);THREADLIBS="",AC_MSG_RESULT(no))

if test "$THREADLIBS" = ""; then
	AC_MSG_CHECKING(if that definition really works)
	AC_TRY_RUN([int main() { return !pthread_equal(pthread_self(), pthread_self());}],
		    AC_MSG_RESULT(yes);THREADLIBS="",
		    AC_MSG_RESULT(no);THREADLIBS="no",
		    AC_MSG_RESULT(crosscompiling so no);THREADLIBS="no")
fi

if test "$THREADLIBS" = "no"; then
    for lib in pthread c_r dce pthreads; do
      AC_CHECK_LIB($lib,pthread_create,THREADLIBS="-l$lib")
      if test $THREADLIBS != "no"; then
	break
      fi
    done
fi
  
if test "$THREADLIBS" = "no"; then
	  AC_CHECK_FUNCS(pthread_create,THREADLIBS="")
fi

if test "$THREADLIBS" = "no"; then
        AC_MSG_ERROR(Your system doesn't seem to support posix threads.  funwaveC will not work)
        exit
fi



dnl Checks for programs.

AC_CHECK_PROG(CC,cc,cc)

AC_PROG_CC
AC_PROG_CPP

dnl Checks for libraries.
dnl Replace `main' with a function in -lfftw:
AC_CHECK_LIB(fftw3, main)
dnl Replace `main' with a function in -libs:
dnl Replace `main' with a function in -lm:
AC_CHECK_LIB(m, main)
dnl Replace `main' with a function in -lrfftw:
#AC_CHECK_LIB(rfftw, main)

dnl Check for glib, gtk, and gtkextra libraries

# Find the GTK+ include and library directories.
AM_PATH_GTK(1.2.0)


AC_CHECK_LIB(signal, main)
AC_CHECK_LIB(ieeefp, main)

dnl Check for threads library
#AC_CHECK_LIB(pthread, main)

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(strings.h)


dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST


if test "$edebug" = "yes"; then
case "${host}" in
i?86*)    CFLAGS=" -g "
          LFLAGS=" "
          CC="gcc"
          echo "Setting compilation for GNU/Linux with debugging ";;
powerpc-apple*)  CFLAGS=" -g "
          LFLAGS=" "
          CC="gcc"
          echo "Setting compilation for gcc/OSX with debugging ";;
sparc-sun-solaris*) CFLAGS="-g -xCC"
                    LFLAGS=" "
                    CC="cc"
          echo "Compiling for Sun Solaris Sparc with debugging";;
*hp-hpux*) CFLAGS=" -g"
           LFLAGS=" "
           CC="cc"
           echo "Setting compilation for HP Unix with debugging";;
*)        CFLAGS=" -g"
          LFLAGS="  -lpthread"
          echo "** Setting compilation for debug on an unfamiliar system, using defaults.  This may not compile. ";;
esac
else
case "${host}" in
x86_64*)  CFLAGS=" -O3"
          LFLAGS="  -lpthread"
          CC="gcc"
          echo "Setting compilation for GNU/Linux x86_64";;
i?86*)    CFLAGS=" -O3"
          LFLAGS="  -lpthread"
          CC="gcc"
          echo "Setting compilation for GNU/Linux ";;
powerpc-apple*)    CFLAGS=" -fast"
          LFLAGS="  -lpthread"
          CC="gcc"
          echo "Setting compilation for GNU/OS X ";;
sparc-sun-solaris*) CFLAGS="-xO5 -xCC -native -fast"
                    CC="cc"
                    LFLAGS="-lpthread" 
                    echo "Setting compilation for Sun Solaris Sparc";;
*hp-hpux*) CFLAGS=" -Ae +O3 +Oall"
           LFLAGS=" -lpthread"
           CC="cc"
           echo "Setting compilation for HP Unix";;
*)        CFLAGS=" -O"
          LFLAGS="  -lpthread"
          echo "** Setting compilation for an unfamiliar system, using defaults.  This may not compile. ";;
esac
fi

AC_SUBST(CFLAGS)
AC_SUBST(LFLAGS)
AC_SUBST(CC)


AC_OUTPUT(funwaveC_config.h  Makefile)