 @@ -1,145 +1,144 @@
-# $NetBSD: gfortran.mk,v 1.24 2023/10/31 13:45:30 gdt Exp $
+# $NetBSD: gfortran.mk,v 1.25 2023/10/31 13:47:56 gdt Exp $
+#
 # Copyright (c) 2005 The NetBSD Foundation, Inc.
 # All rights reserved.
+#
 # This code is derived from software contributed to The NetBSD Foundation
 # by Johnny C. Lam.
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1. Redistributions of source code must retain the above copyright
 #    notice, this list of conditions and the following disclaimer.
 # 2. Redistributions in binary form must reproduce the above copyright
 #    notice, this list of conditions and the following disclaimer in the
 #    documentation and/or other materials provided with the distribution.
+#
 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
+#
 .if !defined(COMPILER_GFORTRAN_MK)
 COMPILER_GFORTRAN_MK=	defined
 .include "../../mk/bsd.prefs.mk"
 # If the pkgsrc base compiler is GCC, define POSSIBLE_GORTRAN_VERSION
-# (meaning a candidate we would like) to match, and try to use that if
+# (meaning a candidate we would like) to match.  If that version is
-# possible, unless known to be problematic.  Otherwise, pick a
+# known to be problematic on a platform, pick a better one.
 # mainstream version and hope for the best.
 # \todo If the base compiler is clang, we probably should use flang
 # rather than gfortran, but this is gfortran.mk.
 POSSIBLE_GFORTRAN_VERSION?=	${CC_VERSION:S/gcc-//:C/.[0-9].[0-9]$//}
 .if ${MACHINE_PLATFORM:MDarwin-*-*}
 # \todo For parallel structure this should set POSSIBLE_GFORTRAN_VERSION instead.
 GFORTRAN_VERSION?=	12
 .endif
 # pkgsrc gcc9 is missing NetBSD patches for aarch64, so if 9 is
 # selected (historical current only?), advance to 10.
 .if !empty(POSSIBLE_GFORTRAN_VERSION:M9) && \
     !empty(MACHINE_PLATFORM:MNetBSD-*-aarch64*)
 POSSIBLE_GFORTRAN_VERSION=	10
 .endif
 # All pkgsrc gcc < 10 versions are not ok on 32-bit arm; advance to 10.
 .if !empty(POSSIBLE_GFORTRAN_VERSION:M[0-9]) && \
     !empty(MACHINE_PLATFORM:MNetBSD-*-earm*)
 POSSIBLE_GFORTRAN_VERSION=	10
 .endif
 # If we are using gcc, and the POSSIBLE version exists in pkgsrc, use it.
 # Otherwise, pick gcc 7.  \todo Revisit this choice.
 .if !empty(PKGSRC_COMPILER:Mgcc) && \
     exists(${PKGSRCDIR}/lang/gcc${POSSIBLE_GFORTRAN_VERSION}/buildlink3.mk)
 GFORTRAN_VERSION?=		${POSSIBLE_GFORTRAN_VERSION}
 .else
 GFORTRAN_VERSION?=		7
 .endif
 .if !empty(PKGPATH:Mlang/gcc${GFORTRAN_VERSION}) || !empty(PKGPATH:Mdevel/patch) || \
     !empty(PKGPATH:Mdevel/libtool-base)
 IGNORE_GFORTRAN=	yes
 MAKEFLAGS+=		IGNORE_GFORTRAN=yes
 .endif
 .if defined(IGNORE_GFORTRAN)
 _USE_GFORTRAN=	NO
 .endif
 # LANGUAGES.<compiler> is the list of supported languages by the compiler.
 # _LANGUAGES.<compiler> is ${LANGUAGES.<compiler>} restricted to the ones
 # requested by the package in USE_LANGUAGES.
+#
 LANGUAGES.gfortran=	fortran fortran77
 _LANGUAGES.gfortran=	# empty
 .for _lang_ in ${USE_LANGUAGES}
 _LANGUAGES.gfortran+=	${LANGUAGES.gfortran:M${_lang_}}
 .endfor
 .if empty(_LANGUAGES.gfortran)
 _USE_GFORTRAN=	NO
 .endif
 .if !defined(_USE_GFORTRAN)
 _USE_GFORTRAN=	YES
 .endif
 .if !empty(_USE_GFORTRAN:M[yY][eE][sS])
 _GFORTRANBASE=	${TOOLBASE}/gcc${GFORTRAN_VERSION}
 FC=		gfortran
 _GFORTRAN_DIR=	${WRKDIR}/.gfortran
 _GFORTRAN_VARS=	# empty
 .  if !empty(_LANGUAGES.gfortran:Mfortran) || \
       !empty(_LANGUAGES.gfortran:Mfortran77)
 PKG_FC?=	${FC}
 _GFORTRAN_VARS+=	FC
 _GFORTRAN_FC:=	${_GFORTRAN_DIR}/bin/${PKG_FC:T}
 _ALIASES.FC+=	f77 g77 g95 gfortran
 FCPATH=		${_GFORTRANBASE}/bin/gfortran
 PKG_FC:=	${_GFORTRAN_FC}
 .  endif
 # Prepend the path the to the compiler to the PATH
 .  if !empty(_LANGUAGES.gfortran)
 PREPEND_PATH+=	${_GFORTRAN_DIR}/bin
 .  endif
 # Add the dependency on gfortran.
 BUILDLINK_DEPMETHOD.gcc${GFORTRAN_VERSION}=	full
 .  include "../../lang/gcc${GFORTRAN_VERSION}/buildlink3.mk"
 .  if defined(GFORTRAN_DIR) && !empty(GFORTRAN_DIR)
 PKGSRC_MAKE_ENV+=	GFORTRAN_DIR=${GFORTRAN_DIR:Q}
 .  endif
 # Create symlinks for the compiler into ${WRKDIR}.
 .  for _var_ in ${_GFORTRAN_VARS}
 .    if !target(${_GFORTRAN_${_var_}})
 override-tools: ${_GFORTRAN_${_var_}}
 ${_GFORTRAN_${_var_}}:
 	${RUN}${MKDIR} ${.TARGET:H}
 	${RUN}					\
 	${LN} -fs ${_GFORTRANBASE}/bin/gfortran ${.TARGET}
 .      for _alias_ in ${_ALIASES.${_var_}:S/^/${.TARGET:H}\//}
 	${RUN}					\
 	if [ ! -x "${_alias_}" ]; then					\
 		${LN} -fs ${_GFORTRANBASE}/bin/gfortran ${_alias_};		\
 	fi
 .      endfor
 .    endif
 .  endfor
 .endif	# _USE_GFORTRAN == "yes"
 .endif	# COMPILER_GFORTRAN_MK