mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
491f6812ef
per the recommended style guide for autoconf and so that individual autoconf functions can more easily be shared across projects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16223 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
394 B
Plaintext
19 lines
394 B
Plaintext
#
|
|
# Check for Bison.
|
|
#
|
|
# This macro verifies that Bison is installed. If successful, then
|
|
# 1) YACC is set to bison -y (to emulate YACC calls)
|
|
# 2) BISON is set to bison
|
|
#
|
|
AC_DEFUN([AC_PROG_BISON],
|
|
[AC_CACHE_CHECK(,
|
|
ac_cv_has_bison,
|
|
[AC_PROG_YACC()
|
|
])
|
|
if test "$YACC" != "bison -y"; then
|
|
AC_MSG_ERROR([bison not found but required])
|
|
else
|
|
AC_SUBST(BISON,[bison],[location of bison])
|
|
fi
|
|
])
|