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r25874: force specific versions for LEX and YACC.

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We often have problems with old yacc and bison versions
and it seem the combination of LAX and YACC also matters.

So we now list all supported version combinations explicit.
flex-2.5.33:bison-2.3 only for now.

metze
This commit is contained in:
Stefan Metzmacher 2007-11-06 12:39:47 +01:00
parent 084aad7980
commit ad0556cbf7
1 changed files with 48 additions and 0 deletions
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48
source/heimdal_build/config.m4
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@ -180,8 +180,56 @@ SMB_ENABLE(KERBEROS_LIB, NO)
SMB_ENABLE(asn1_compile, NO) SMB_ENABLE(asn1_compile, NO)
SMB_ENABLE(compile_et, NO) SMB_ENABLE(compile_et, NO)
#
# We need bison -y and flex in new versions
# Otherwise we get random runtime failures
#
LEX_YACC_COMBINATIONS=""
LEX_YACC_COMBINATIONS="$LEX_YACC_COMBINATIONS flex-2.5.33:bison-2.3"
AC_PROG_LEX AC_PROG_LEX
LEX_BASENAME=`basename "$LEX"`
if test x"$LEX_BASENAME" = x"flex"; then
# "flex 2.5.33"
FLEX_VERSION=`$LEX --version | cut -d ' ' -f2`
AC_MSG_CHECKING(flex version)
AC_MSG_RESULT($FLEX_VERSION)
FLEX_MAJOR=`echo $FLEX_VERSION | cut -d '.' -f1`
FLEX_MINOR=`echo $FLEX_VERSION | cut -d '.' -f2`
FLEX_RELEASE=`echo $FLEX_VERSION | cut -d '.' -f3`
LEX_VERSION="flex-$FLEX_MAJOR.$FLEX_MINOR.$FLEX_RELEASE"
fi
AC_PROG_YACC AC_PROG_YACC
YACC_BASENAME=`basename "$YACC"`
if test x"$YACC_BASENAME" = x"bison -y"; then
# bison (GNU Bison) 2.3
BISON_VERSION=`$YACC --version | head -1 | cut -d ' ' -f4`
AC_MSG_CHECKING(bison version)
AC_MSG_RESULT($BISON_VERSION)
BISON_MAJOR=`echo $BISON_VERSION | cut -d '.' -f1`
BISON_MINOR=`echo $BISON_VERSION | cut -d '.' -f2`
YACC_VERSION="bison-$BISON_MAJOR.$BISON_MINOR"
fi
AC_MSG_CHECKING(working LEX YACC combination)
LEX_YACC="no"
if test x"$LEX_VERSION" != x"" -a x"$YACC_VERSION" != x""; then
V="$LEX_VERSION:$YACC_VERSION"
for C in $LEX_YACC_COMBINATIONS; do
if test x"$V" = x"$C"; then
LEX_YACC=$V
break;
fi
done
fi
if test x"$LEX_YACC" = x"no"; then
LEX=false
YACC=false
fi
AC_MSG_RESULT($LEX_YACC)
# Portions of heimdal kerberos are unpacked into source/heimdal # Portions of heimdal kerberos are unpacked into source/heimdal
# of the samba source tree. # of the samba source tree.