Configure gere correctement les options

# Check platform

AC_CANONICAL_HOST

CXXFLAGS='-Wall -W -ansi -pedantic -D_XOPEN_SOURCE=600'

# Check for C++ compiler

AC_LANG([C++])

AC_PROG_CXX

# without-error arg

AC_ARG_WITH([error],

  [AS_HELP_STRING([--without-error], [GCC warnings dont make compilation errors])],

  [],

  [with_error=yes]

)

# Check for Make

AC_PROG_MAKE_SET

# with-debug arg

AC_ARG_WITH([debug],

  [AS_HELP_STRING([--with-debug], [Use -g and don't use neither -DNDEBUG nor -O3])],

  [],

  [with_debug=no]

)

# check for ranlib

AC_PROG_RANLIB

# with-efence arg

AC_ARG_WITH([efence],

  [AS_HELP_STRING([--with-efence], [Link with efence library])],

  [],

  [with_efence=no]

)

# Check for lib efence

AC_CHECK_LIB([efence], [malloc], [EFENCELIB=-lefence])

AC_SUBST([EFENCELIB])

echo $with_efence

# Checks for library functions.

# Default CXX Flags

CXXFLAGS='-Wall -W -ansi -pedantic -D_XOPEN_SOURCE=600'

# Checks for typedefs, structures, and compiler characteristics.

# Set Error flags

AS_IF([test "x$with_error" != xno],[CXXFLAGS="$CXXFLAGS -Werror"])

# Check for headers

# Set Debug flags

AS_IF([test "x$with_debug" != xyes],[CXXFLAGS="$CXXFLAGS  -DNDEBUG -O3"], [CXXFLAGS="$CXXFLAGS -g"])

dnl Memo:

dnl AC ARG WITH(package, help-string, [action-if-given], [action-if-not-given])

# Check for C++ compiler

AC_LANG([C++])

AC_PROG_CXX

# Check for Make

AC_PROG_MAKE_SET

AC_ARG_WITH([noerror],

  [AS_HELP_STRING([--with-noerror], [Warning dont create compilation error])],

  [dnl action-if-given

       true

  ],

  [dnl action-if-not-given

       CXXFLAGS="$CXXFLAGS -Werror"

  ]

)

# Check for libs

AC_CHECK_LIB([sqlite3], [sqlite3_open],,[AC_MSG_ERROR([Library sqlite3 not found!])])

AC_CHECK_LIB([ssl], [SSL_library_init],,[AC_MSG_ERROR([Library ssl not found!])])

AC_ARG_WITH([debug],

  [AS_HELP_STRING([--with-debug], [use -g and don't use -DNDEBUG -O3])],

  [dnl action-if-given

       CXXFLAGS="$CXXFLAGS -g"

  ],

  [dnl action-if-not-given

      CXXFLAGS="$CXXFLAGS -DNDEBUG -O3"

  ]

)

# Set efence library

AS_IF([test "x$with_efence" = "xyes" ],

      [AC_CHECK_LIB([efence], [malloc],

		    [LDFLAGS="$LDFLAGS -lefence"; test -r "/usr/include/efence.h" && \

       		     CXXFLAGS="$CXXFLAGS -include stdlib.h -include efence.h"],

		    [AC_MSG_ERROR([Efence library not found!])])])

AC_ARG_WITH([efence],

  [AS_HELP_STRING([--with-efence], [link with lib efence])],

  [dnl action-if-given

       LDFLAGS="$LDFLAGS -lefence"

       test -r "/usr/include/efence.h" &&

       CXXFLAGS="$CXXFLAGS -include stdlib.h -include efence.h"

  ],

  [dnl action-if-not-given

       true

  ]

)

AC_SUBST([CXXFLAGS])

AC_SUBST([LDFLAGS])