lib/popt/libpopt.m4

   1 dnl Check to see if we should use the included popt
   2
   3 INCLUDED_POPT=auto
   4 AC_ARG_WITH(included-popt,
   5 [  --with-included-popt    use bundled popt library, not from system],
   6 [ INCLUDED_POPT=$withval ])
   7
   8 AC_SUBST(POPT_LIBS)
   9 AC_SUBST(POPT_CFLAGS)
  10
  11 if test x"$INCLUDED_POPT" != x"yes"; then
  12         AC_CHECK_HEADERS(popt.h)
  13         AC_CHECK_LIB(popt, poptGetContext, [ POPT_LIBS="-lpopt" ])
  14         if test x"$ac_cv_header_popt_h" = x"no" -o x"$ac_cv_lib_popt_poptGetContext" = x"no"; then
  15                 INCLUDED_POPT=yes
  16                 POPT_CFLAGS=""
  17         else
  18                 INCLUDED_POPT=no
  19         fi
  20 fi
  21
  22 AC_MSG_CHECKING(whether to use included popt)
  23 AC_MSG_RESULT($INCLUDED_POPT)
  24 if test x"$INCLUDED_POPT" != x"no"; then
  25         dnl find the popt sources. This is meant to work both for
  26         dnl popt standalone builds, and builds of packages using popt
  27         poptdir=""
  28         poptpaths="$srcdir $srcdir/lib/popt $srcdir/popt $srcdir/../popt $srcdir/../lib/popt"
  29         for d in $poptpaths; do
  30                 if test -f "$d/popt.c"; then
  31                         poptdir="$d"
  32                         POPT_CFLAGS="-I$d"
  33                         AC_SUBST(poptdir)
  34                         break
  35                 fi
  36         done
  37         if test x"$poptdir" = "x"; then
  38                 AC_MSG_ERROR([cannot find popt source in $poptpaths])
  39         fi
  40         POPT_OBJ="popt.o findme.o poptconfig.o popthelp.o poptparse.o"
  41         AC_SUBST(POPT_OBJ)
  42         AC_CHECK_HEADERS([float.h alloca.h])
  43 fi