diff options
| -rw-r--r-- | aclocal.m4 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/aclocal.m4 b/aclocal.m4 index 151cc2ea2c..1e628b1401 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -869,6 +869,11 @@ then FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16], [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[] fi +if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs +then + FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-gt],[1.18.11], + [AC_MSG_ERROR([Happy version 1.18.11 or earlier is required to compile GHC.])])[] +fi HappyVersion=$fptools_cv_happy_version; AC_SUBST(HappyVersion) ]) @@ -898,6 +903,11 @@ then FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0], [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[] fi +if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs +then + FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-gt],[3.0.5], + [AC_MSG_ERROR([Alex version 3.0.5 or earlier is required to compile GHC.])])[] +fi if test ! -f utils/haddock/src/Haddock/Lex.hs then FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[3.0], |