configure.in

这是一个Linux下的集成开发环境

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

dnl Initialization.
AC_INIT(abrowser.l)
AC_PREREQ(2.12.2)
AM_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE(sn,5.0.0)
AM_MAINTAINER_MODE

# The combination of Cygwin, autoconf 2.13. and cl from VC++
# needs extra hand holding.
case "${host}" in
*windows32*)
        CC="cl"
        CPP="cl -nologo -E"
        CFLAGS="-Z7 -Od -MD -nologo"
        ac_cv_exeext=".exe"
        ;;
esac

AC_CONFIG_AUX_DIR(../../../..)
AC_CANONICAL_HOST

AC_PROG_CC
AC_PROG_CPP
AC_EXEEXT

AC_OBJEXT
AC_PROG_AWK
AC_PROG_RANLIB

# A developer might want to regenerate files with flex and
# bison, the flexgen and bisongen targets are used to do this.
# We don't want to include these targets in a normal build
# since we need to be able to build on systems that do not
# have flex and bison installed.

LEX="flex"
LEXLIB="-lfl"
YACC="bison -y"
AC_SUBST(LEX)
AC_SUBST(LEXLIB)
AC_SUBST(YACC)

CYG_AC_PATH_TCLCONFIG
CYG_AC_LOAD_TCLCONFIG

dnl Put a plausible default for CC_FOR_BUILD in Makefile.  In the
dnl normal case, this will just set CC_FOR_BUILD to be CC.  People who
dnl are building with a cross compiler must know what they are doing.
if test -z "$CC_FOR_BUILD"; then
  if test "$cross_compiling" = yes; then
    CC_FOR_BUILD=gcc
  else
    CC_FOR_BUILD='$(CC)'
  fi
fi
AC_SUBST(CC_FOR_BUILD)

AM_CONDITIONAL(CROSS_COMPILING, test x$cross_compiling = xyes)

AC_SUBST(TCL_BUILD_LIB_SPEC)
AC_SUBST(TCL_LIBS)

dnl Random other stuff

DB_LIBDIR='$(top_builddir)/../../../../db/PORT'
AC_SUBST(DB_LIBDIR)
DB_INCDIR='$(top_srcdir)/../../../../db/include'
AC_SUBST(DB_INCDIR)

AC_CHECK_HEADERS([unistd.h])

# In the cygwin32 environment, we need some additional flags and
# libraries.
AC_CACHE_CHECK([for cygwin32], ide_cv_os_cygwin32,
[AC_EGREP_CPP(lose, [
#ifdef __CYGWIN32__
lose
#endif],[ide_cv_os_cygwin32=yes],[ide_cv_os_cygwin32=no])])

AC_CACHE_CHECK([for Microsoft Visual C++], sn_cv_os_msvc,
[AC_EGREP_CPP(coool, [
#ifdef _MSC_VER
coool
#endif],[sn_cv_os_msvc=yes],[sn_cv_os_msvc=no])])

AC_CACHE_CHECK([for Mingw32], sn_cv_os_mingw32,
[AC_EGREP_CPP(coool, [
#ifdef __MINGW32__
coool
#endif],[sn_cv_os_mingw32=yes],[sn_cv_os_mingw32=no])])

if test x$ide_cv_os_cygwin32 = xyes; then
  WINFLAGS="-D_WINDOWS=1 -DWIN32"
  WIN32LIBS="-lcomdlg32 -ladvapi32 -lshell32 -luser32 -lgdi32"
  WIN32LDAPP="-Wl,--subsystem,windows"
  SNCONFIGDIR="win"
  ac_win_build="yes"
elif test x$sn_cv_os_msvc = xyes; then
  WINFLAGS="-D_WINDOWS=1 -DWIN32 -D__MSVC__ -DWINNT"
  WIN32LIBS="comdlg32.lib advapi32.lib shell32.lib user32.lib gdi32.lib"
  WIN32LDAPP="-subsystem:windows -entry:WinMainCRTStartup"
  SNCONFIGDIR="win"
  ac_win_build="yes"
elif test x$sn_cv_os_mingw32 = xyes; then
  WINFLAGS="-D_WINDOWS=1 -DWIN32 -DWINNT"
  WIN32LIBS="-lcomdlg32 -ladvapi32 -lshell32 -luser32 -lgdi32"
  WIN32LDAPP="-Wl,--subsystem,windows"
  SNCONFIGDIR="win"
  ac_win_build="yes"
else
  WINFLAGS=
  WIN32LIBS=
  WIN32LDAPP=
  SNCONFIGDIR="unix"
  ac_win_build="no"
fi

AC_SUBST(WINFLAGS)
AC_SUBST(WIN32LIBS)
AC_SUBST(WIN32LDAPP)
AM_CONDITIONAL(WINDOWS, test x$ac_win_build = xyes)
AM_CONDITIONAL(MSVC, test x$sn_cv_os_msvc = xyes)

AC_OUTPUT([Makefile])