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# check for mpfi library
# sets MPFI_CPPFLAGS, MPFI_LDFLAGS and MPFI_LIBS,
# and MPFI=yes/no
AC_DEFUN([AC_CHECK_MPFI],[
temp_LIBS="$LIBS"
temp_CPPFLAGS="$CPPFLAGS"
temp_LDFLAGS="$LDFLAGS"
MPFI=unknown
AC_ARG_WITH([mpfi],
[AS_HELP_STRING([--with-mpfi=<location>],
[Location at which the MPFI library was installed.
If the argument is omitted, the library is assumed to be reachable
under the standard search path (/usr, /usr/local,...). Otherwise
you must give the <path> to the directory which contains the
library..])],
[if test "$withval" = no; then
MPFI=no
elif test "$withval" = yes; then
MPFI=yes
else
MPFI=yes
MPFI_CPPFLAGS="-I$withval/include"
MPFI_LDFLAGS="-L$withval/lib"
fi],
[AS_IF([command -v brew --prefix mpfi >/dev/null 2>&1],[
AC_MSG_NOTICE([BREW mpfi detected])
withval=$(brew --prefix)
MPFI=yes
MPFI_CPPFLAGS="-I$withval/include"
MPFI_LDFLAGS="-L$withval/lib"
])]
)
AC_ARG_WITH([mpfi-include],
[AS_HELP_STRING([--with-mpfi-include=<location>],
[Location at which the mpfi include files were installed.])],
[MPFI=yes
MPFI_CPPFLAGS="-I$withval"]
)
AC_ARG_WITH([mpfi-lib],
[AS_HELP_STRING([--with-mpfi-lib=<location>],
[Location at which the mpfi library files were installed.])],
[MPFI=yes
MPFI_LDFLAGS="-L$withval"]
)
if test "$MPFI" != no; then
if test "$MPFR" = no; then
AC_MSG_ERROR([Cannot have MPFI without having MPFR too.])
fi
MPFI_LIBS="-lmpfi"
AC_LANG_PUSH([C])
temp_status=true
CPPFLAGS="$CPPFLAGS $MPFI_CPPFLAGS $MPFR_CPPFLAGS"
AC_CHECK_HEADER(mpfi.h,,[temp_status=false],[#include <mpfr.h>])
LDFLAGS="$LDFLAGS $MPFI_LDFLAGS $MPFR_LDFLAGS"
AC_CHECK_LIB(mpfi,mpfi_sqrt,,[temp_status=false])
AC_LANG_POP([C])
if test "$temp_status" = false; then
if test "$MPFI" = yes; then
AC_MSG_ERROR([library mpfi not found. Using --with-mpfi, specify its location, or "no" to disable it.])
else
MPFI=no
fi
else
MPFI=yes
fi
fi
CPPFLAGS="$temp_CPPFLAGS"
LDFLAGS="$temp_LDFLAGS"
LIBS="$temp_LIBS"
if test "$MPFI" != no; then
AC_DEFINE([USE_MPFI],1,[use MPFI library])
fi
AC_SUBST(MPFI_CPPFLAGS)
AC_SUBST(MPFI_LDFLAGS)
AC_SUBST(MPFI_LIBS)
AM_CONDITIONAL([WITH_MPFI_IS_YES],[test x"$MPFI" != xno])
])
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