#!/bin/bash

# This script reads filenames from STDIN and outputs any relevant provides

# information that needs to be included in the package.

[ -z "$OBJDUMP" ] && OBJDUMP=mingw-objdump

targets=$@

if [ -z "$targets" ] ; then

    echo "Usage: $0 [ mingw32 ] [ mingw64 ]"

    exit 1

fi

# Get the list of files.

filelist=`sed "s/['\"]/\\\&/g"`

dlls=$(echo $filelist | tr [:blank:] '\n' | grep -Ei '\.(dll|exe)$')

pkgconfig_files=$(echo $filelist | tr [:blank:] '\n' | grep -Ei '\.(pc)$')

for target in $targets; do

	dll_found=false

	host_triplet=`rpm --eval "%{${target}_target}"`

	for f in $dlls; do

		if [[ $f =~ .*$host_triplet.* ]]; then

			$OBJDUMP -p $f | grep 'DLL Name' | grep -Eio '[-._\+[:alnum:]]+\.dll' |

				tr [:upper:] [:lower:] |

				sed "s/\(.*\)/$target(\1)/"

			dll_found=true

		fi

	done

	# Add a dependency on filesystem and crt if necessary

	if [ $dll_found = true ]; then

		echo "${target}-filesystem >= 95"

		echo "${target}-crt"

	fi

	pkgconfig_files_found=false

	for f in $pkgconfig_files; do

		if [[ $f =~ .*$host_triplet.* ]]; then

			pkgconfig_files_found=true

		fi

	done

	# Add a dependency on $target-pkg-config if necessary

	if [ $pkgconfig_files_found = true ]; then

		echo "${target}-pkg-config"

	fi

done | sort -u