43 lines
1.4 KiB
Plaintext
43 lines
1.4 KiB
Plaintext
dnl
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dnl Try finding linux sourcetree
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dnl
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AC_DEFUN(AC_FIND_KERNEL, [
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OLD_CPPFLAGS="$CPPFLAGS"
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lxdir="no"
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eval tst_kerneldir=$CONFIG_KERNELDIR
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AC_ARG_WITH(kernel,
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[ --with-kernel=DIR Set kernel source directory [/usr/src/linux]],
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DOTEST="y"; tst_kerneldir="${withval}")
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if test "$DOTEST" = "y" || test "$CONFIG_KERNELDIR" != "" ; then
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AC_MSG_CHECKING([for linux kernel source in ${tst_kerneldir}])
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CPPFLAGS="-nostdinc -I${tst_kerneldir}/include -I${tst_kerneldir}/drivers/isdn"
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AC_TRY_CPP([#include <isdn_common.h>], lxdir=${tst_kerneldir},
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AC_MSG_RESULT("no"))
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fi
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if test "$lxdir" = "no" ; then
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AC_MSG_CHECKING([for linux kernel source in /usr/src/linux])
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CPPFLAGS="-nostdinc -I/usr/src/linux/include -I/usr/src/linux/drivers/isdn"
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AC_TRY_CPP([#include <isdn_common.h>], lxdir=/usr/src/linux)
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fi
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if test "$lxdir" = "no" ; then
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AC_MSG_RESULT("$lxdir")
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AC_MSG_CHECKING([for linux kernel source in /usr/local/src/linux])
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CPPFLAGS="-nostdinc -I/usr/local/src/linux/include -I/usr/local/src/linux/drivers/isdn"
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AC_TRY_CPP([#include <isdn_common.h>], lxdir=/usr/local/src/linux)
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fi
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if test "$lxdir" != "no" ; then
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AC_MSG_RESULT("yes")
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else
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lxdir=""
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AC_MSG_ERROR("Kernel source not found. You MUST specify a correct path to the linux source in the configuration.")
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fi
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CONFIG_KERNELDIR="$lxdir"
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CPPFLAGS="$OLD_CPPFLAGS"
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AC_DEFINE_UNQUOTED(CONFIG_KERNELDIR,"$lxdir")
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AC_SUBST(CONFIG_KERNELDIR)
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])
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