1 files changed, 84 insertions, 0 deletions
diff --git a/tools/ghc-rpm-macros/ghc-deps.sh b/tools/ghc-rpm-macros/ghc-deps.sh
new file mode 100755
index 0000000..4c164d0
--- /dev/null
+++ b/tools/ghc-rpm-macros/ghc-deps.sh
@@ -0,0 +1,84 @@
+#!/bin/sh
+# find rpm provides and requires for Haskell GHC libraries
+
+# To use add the following lines to spec file:
+#   %define _use_internal_dependency_generator 0
+#   %define __find_requires /usr/lib/rpm/ghc-deps.sh --requires %{buildroot}%{ghclibdir}
+#   %define __find_provides /usr/lib/rpm/ghc-deps.sh --provides %{buildroot}%{ghclibdir}
+
+[ $# -ne 2 ] && echo "Usage: `basename $0` [--provides|--requires] %{buildroot}%{ghclibdir}" && exit 1
+
+MODE=$1
+PKGBASEDIR=$2
+PKGCONFDIR=$PKGBASEDIR/package.conf.d
+GHC_VER=$(basename $PKGBASEDIR | sed -e s/ghc-//)
+
+if [ ! -x "/usr/bin/ghc-pkg-${GHC_VER}" -a -x "$PKGBASEDIR/ghc-pkg" ]; then
+    GHC_PKG="$PKGBASEDIR/ghc-pkg --global-conf=$PKGCONFDIR"
+else
+    GHC_PKG="/usr/bin/ghc-pkg"
+fi
+
+case $MODE in
+    --provides) FIELD=id ;;
+    --requires) FIELD=depends ;;
+    *) echo "`basename $0`: Need --provides or --requires" ; exit 1
+esac
+
+if [ -d "$PKGBASEDIR" ]; then
+  SHARED=$(find $PKGBASEDIR -type f -name '*.so')
+fi
+
+GHCVERSION=$(ghc --numeric-version)
+
+files=$(cat)
+
+#set -x
+
+for i in $files; do
+    LIB_FILE=$(echo $i | grep /libHS | egrep -v "$PKGBASEDIR/libHS")
+    if [ "$LIB_FILE" ]; then
+	if [ -d "$PKGCONFDIR" ]; then
+	    META=""
+	    SELF=""
+	    case $LIB_FILE in
+		*.so) META=ghc ;;
+		*_p.a) META=ghc-prof SELF=ghc-devel ;;
+		*.a) META=ghc-devel
+		    if [ "$SHARED" ]; then
+			SELF=ghc
+		    fi
+		    ;;
+	    esac
+	    if [ "$META" ]; then
+		PKGVER=$(echo $LIB_FILE | sed -e "s%$PKGBASEDIR/\([^/]\+\)/libHS.*%\1%")
+		HASHS=$(${GHC_PKG} -f $PKGCONFDIR field $PKGVER $FIELD | sed -e "s/^$FIELD: \+//")
+		for i in $HASHS; do
+		    case $i in
+			*-*) echo $i | sed -e "s/\(.*\)-\(.*\)/$META(\1) = \2/" ;;
+			*) ;;
+		    esac
+		done
+		if [ "$MODE" = "--requires" -a "$SELF" ]; then
+		    HASHS=$(${GHC_PKG} -f $PKGCONFDIR field $PKGVER id | sed -e "s/^id: \+//")
+		    for i in $HASHS; do
+			echo $i | sed -e "s/\(.*\)-\(.*\)/$SELF(\1) = \2/"
+		    done
+		fi
+	    fi
+	fi
+    elif [ "$MODE" = "--requires" ]; then
+	if file $i | grep -q 'executable, .* dynamically linked'; then
+	    BIN_DEPS=$(ldd $i | grep libHS | grep -v libHSrts | sed -e "s%^\\tlibHS\(.*\)-ghc${GHCVERSION}.so =.*%\1%")
+	    if [ -d "$PKGCONFDIR" ]; then
+		PACKAGE_CONF_OPT="--package-conf=$PKGCONFDIR"
+	    fi
+	    for p in ${BIN_DEPS}; do
+		HASH=$(${GHC_PKG} --global $PACKAGE_CONF_OPT field $p id | sed -e "s/^id: \+//")
+		echo $HASH | sed -e "s/\(.*\)-\(.*\)/ghc(\1) = \2/"
+	    done
+	fi
+    fi
+done
+
+echo $files | tr [:blank:] '\n' | /usr/lib/rpm/rpmdeps $MODE