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yacc-2.ebuild (1173B)

    

  1. # Copyright 2022-2024 Gentoo Authors
  2. # Distributed under the terms of the GNU General Public License v2
  4. EAPI=8
  6. ALTERNATIVES=(
  7. 	"bison:>=sys-devel/bison-3.8.2-r1"
  8. 	byacc:dev-util/byacc
  9. 	oyacc:dev-util/oyacc
  10. 	"reference:>=dev-util/yacc-1.9.1-r7"
  11. )
  13. inherit app-alternatives
  15. DESCRIPTION="yacc symlinks"
  16. KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
  18. RDEPEND="
  19. 	!<dev-util/yacc-1.9.1-r7
  20. 	!<sys-devel/bison-3.8.2-r1
  21. "
  23. src_install() {
  24. 	local alt=$(get_alternative)
  26. 	case ${alt} in
  27. 		# bison installs its own small wrapper script 'yacc-bison'
  28. 		# around bison(1).
  29. 		bison) alt=yacc.bison;;
  30. 		reference) alt=yacc-reference;;
  31. 	esac
  33. 	dosym "${alt}" /usr/bin/yacc
  34. 	newman - yacc.1 <<<".so ${alt}.1"
  36. 	# Leaving this for now to be safe, as it's closer to pre-alternatives
  37. 	# status quo to leave it unset and let autoconf probe for Bison by itself
  38. 	# as it prefers it anyway, and might be a CPP-like situation wrt
  39. 	# calling bison or bison -y if YACC is set.
  40. 	if [[ ${alt} != yacc.bison ]]; then
  41. 		newenvd - 90yacc <<-EOF
  42. 			YACC=${alt}
  43. 		EOF
  44. 	fi
  45. }