49 lines
1.1 KiB
Plaintext
49 lines
1.1 KiB
Plaintext
dnl ==================================================================
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dnl Checks for programs.
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dnl ==================================================================
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AC_PROG_INSTALL
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AC_PROG_CC
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AC_PROG_CPP
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AC_PROG_LN_S
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AC_PROG_RANLIB
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AM_PROG_AS
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PKG_PROG_PKG_CONFIG
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AC_PROG_YACC
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if echo $YACC | grep -v bison > /dev/null; then
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AC_MSG_ERROR(GNU bison is required but was not found)
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else
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if echo $YACC | grep missing > /dev/null; then
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AC_MSG_ERROR(GNU bison is required but was not found)
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fi
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fi
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BISON_REQ=2.6
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AC_MSG_CHECKING([is bison version >= ${BISON_REQ}])
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BISON_VER=`$YACC --version | sed -n '1s/^.*) //p'`
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AS_VERSION_COMPARE([$BISON_VER], [2.6],
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[AC_MSG_RESULT([no])
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LOC=`which ${YACC}`
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AC_MSG_ERROR(
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[GNU bison >= 2.6 is required. $BISON_VER found in $LOC]
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)],
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AC_MSG_RESULT([yes]),
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AC_MSG_RESULT([yes])
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)
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AM_PROG_LEX
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if echo $LEX | grep -v flex > /dev/null; then
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AC_MSG_ERROR(GNU flex is required but was not found)
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else
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if echo $LEX | grep missing > /dev/null; then
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AC_MSG_ERROR(GNU flex is required but was not found)
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fi
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fi
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AC_CHECK_LIB(l, main, LEXLIB="-ll", AC_CHECK_LIB(fl, main, LEXLIB="-lfl"))
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AC_SUBST(LEXLIB)
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