[
if test -d $srcdir/happy; then
SrcTreeHappyCmd=$hardtop/happy/src/happy-inplace
+else
+ SrcTreeHappyCmd=""
fi
if test x"$UseSrcTreeHappy" = xYES; then
- HappyCmd=$SrcTreeHappyCmd
+ if test x"$SrcTreeHappyCmd" != x; then
+ HappyCmd=$SrcTreeHappyCmd
+ else
+ AC_MSG_ERROR([--enable-src-tree-happy given, but happy not found in source tree])
+ fi
else
AC_PATH_PROG(HappyCmd,happy,$SrcTreeHappyCmd)
fi
[
if test -d $srcdir/haddock; then
SrcTreeHaddockCmd=$hardtop/haddock/src/haddock-inplace
+else
+ SrcTreeHaddockCmd=""
fi
if test x"$UseSrcTreeHaddock" = xYES; then
- HaddockCmd=$SrcTreeHaddockCmd
+ if test x"$SrcTreeHaddockCmd" != x; then
+ HaddockCmd=$SrcTreeHaddockCmd
+ else
+ AC_MSG_ERROR([--enable-src-tree-haddock given, but haddock not found in source tree])
+ fi
else
AC_PATH_PROG(HaddockCmd,haddock,$SrcTreeHaddockCmd)
fi
[
if test -d $srcdir/alex; then
SrcTreeAlexCmd=$hardtop/alex/src/alex-inplace
+else
+ SrcTreeAlexCmd=""
fi
if test x"$UseSrcTreeAlex" = xYES; then
- AlexCmd=$SrcTreeAlexCmd
+ if test x"$SrcTreeAlexCmd" != x; then
+ AlexCmd=$SrcTreeAlexCmd
+ else
+ AC_MSG_ERROR([--enable-src-tree-alex given, but alex not found in source tree])
+ fi
else
AC_PATH_PROG(AlexCmd,alex,$SrcTreeAlexCmd)
fi