Hi,

While playing with haskell port, I saw some part of devel/cabal module
which could be changed.

- set ONLY_FOR_ARCHS only conditionnally

- MODCABAL_BUILD_TARGET and MODCABAL_INSTALL_TARGET should be public
  to permit overriding do-build/do-install and still use the variable

I checked that current port using devel/cabal doesn't changed.

Comments or OK ?
-- 
Sebastien Marie

diff f85ef1dbf788a08d1418e8125eb85309f409fc4b /home/semarie/repos/openbsd/ports
blob - c3f8d4ed9a2b6a07f803aba8406671182783e351
file + devel/cabal/cabal.port.mk
--- devel/cabal/cabal.port.mk
+++ devel/cabal/cabal.port.mk
@@ -32,7 +32,7 @@
 # Special files:
 #   files/cabal.project is used automatically.
 
-ONLY_FOR_ARCHS =       i386 amd64
+ONLY_FOR_ARCHS ?=      i386 amd64
 
 BUILD_DEPENDS +=       devel/cabal-install>=3.4.0.0 \
                        lang/ghc>=8.6.4
@@ -97,7 +97,7 @@ MODCABAL_post-extract += \
 _MODCABAL_CABAL = ${SETENV} ${MAKE_ENV} HOME=${WRKDIR} ${LOCALBASE}/bin/cabal
 
 # Building a cabal package is merely an invocation of cabal v2-build.
-_MODCABAL_BUILD_TARGET = \
+MODCABAL_BUILD_TARGET = \
        cd ${WRKBUILD} \
        && ${_MODCABAL_CABAL} v2-build --offline --disable-benchmarks 
--disable-tests \
                -w ${LOCALBASE}/bin/ghc \
@@ -106,16 +106,16 @@ _MODCABAL_BUILD_TARGET = \
                ${MODCABAL_EXECUTABLES:C/^/exe:&/}
 
 # Install fragment starts this way for uniformity of incremental construction.
-_MODCABAL_INSTALL_TARGET = true
+MODCABAL_INSTALL_TARGET = true
 
 # Prepares wrapping fragments that only need to be set up once and
 # reused across potentially multiple installed executables.
 .if defined(MODCABAL_DATA_DIR)
 _MODCABAL_LIBEXEC = libexec/cabal
-_MODCABAL_INSTALL_TARGET += \
+MODCABAL_INSTALL_TARGET += \
        && mkdir -p ${PREFIX}/${_MODCABAL_LIBEXEC}
 
-_MODCABAL_INSTALL_TARGET +=  \
+MODCABAL_INSTALL_TARGET +=  \
        && ${INSTALL_DATA_DIR} ${WRKSRC}/${MODCABAL_DATA_DIR} 
${PREFIX}/share/${DISTNAME} \
        && cd ${WRKSRC}/${MODCABAL_DATA_DIR} && umask 022 && pax -rw . 
${PREFIX}/share/${DISTNAME}
 .endif
@@ -129,7 +129,7 @@ MODCABAL_BUILT_EXECUTABLE_${_exe} = $$(find ${WRKSRC}/
 # Installs the ELF binary into an auxiliary location and wraps it into
 # a script which sets up the environment to point at the data-dir
 # files if any.
-_MODCABAL_INSTALL_TARGET += \
+MODCABAL_INSTALL_TARGET += \
        && ${INSTALL_PROGRAM} \
                ${MODCABAL_BUILT_EXECUTABLE_${_exe}} \
                ${PREFIX}/${_MODCABAL_LIBEXEC}/${_exe} \
@@ -139,17 +139,17 @@ _MODCABAL_INSTALL_TARGET += \
        && chmod +x ${STAGEDIR}${PREFIX}/bin/${_exe}
 .  else
 # Skips the launcher script indirection when MODCABAL_DATA_DIR is empty.
-_MODCABAL_INSTALL_TARGET += \
+MODCABAL_INSTALL_TARGET += \
        && ${INSTALL_PROGRAM} ${MODCABAL_BUILT_EXECUTABLE_${_exe}} ${PREFIX}/bin
 .  endif
 .endfor
 
 .if !target(do-build)
 do-build:
-       @${_MODCABAL_BUILD_TARGET}
+       @${MODCABAL_BUILD_TARGET}
 .endif
 
 .if !target(do-install)
 do-install:
-       @${_MODCABAL_INSTALL_TARGET}
+       @${MODCABAL_INSTALL_TARGET}
 .endif

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