#!/bin/bash

do_crosses=1
do_optional_compiler_languages=0
rm -f gcc*-testresults.spec gcc*-testresults.changes gcc*.spec cross*.spec cross*.changes

# Default is to generate the normal gcc package
# unless a parameter is given.  In case that it is '-*',
# that parameter will be used as suffix for the package name
# and as suffix for the install path (/opt/gccSUFFIX)
# In case that it is '[0-9]*', that parameter will be used
# as a suffix for a versioned package name.

if [ $# -lt 1 ]; then
	echo No package suffix given
	outfile=gcc.spec
else
	case $1 in
	[0-9]*)
	  base_ver=$1
	  outfile=gcc$1.spec
	;;
	*)
	  echo Invalid package suffix
	  exit 1
	;;
	esac
fi

	: > $outfile
	if test "$do_optional_compiler_languages" = "1"; then
	    echo '%define build_optional_compiler_languages 1' >> $outfile
	fi
	sed -e 's%@base_ver@%'$base_ver'%g' \
	    gcc.spec.in \
	| sed -n -e '{
/^# PACKAGE-BEGIN/h
/^# PACKAGE-BEGIN/,/^# PACKAGE-END/H
/^# PACKAGE-BEGIN/,/^# PACKAGE-END/!p
/^# PACKAGE-END/{g
s/@variant@//g
p
g
s/@variant@/-32bit/g
p
g
s/@variant@/-64bit/g
p
}
}' >> $outfile

	echo '%define building_testsuite 1' > gcc$base_ver-testresults.spec
	echo '%define run_tests 1' >> gcc$base_ver-testresults.spec
	sed -e '/^# GCC-TESTSUITE-DELETE-BEGIN/,/^# GCC-TESTSUITE-DELETE-END/d;s/-n gcc@base_ver@-testresults$//g;s/^Name:[[:space:]]*gcc@base_ver@/Name: gcc@base_ver@-testresults/g' \
	    gcc.spec.in \
	| sed -e 's%@base_ver@%'$base_ver'%g' \
>> gcc$base_ver-testresults.spec
  test -f gcc$base_ver.changes \
    && ( ln -f gcc$base_ver.changes gcc$base_ver-testresults.changes; )



add_cross() {
  local pkgname="$1"; shift
  local rpmtarget="$1"; shift
  local triplet="$1"; shift

  echo "%define pkgname $pkgname" > $pkgname.spec
  echo "%define cross_arch $rpmtarget" >> $pkgname.spec
  echo "%define gcc_target_arch $triplet" >> $pkgname.spec
  echo "$@" >> $pkgname.spec
  { sed -n -e '1,/SRC-COMMON-BEGIN/p' cross.spec.in
    sed -n -e '/SRC-COMMON-BEGIN/,/SRC-COMMON-END/p' $outfile
    sed -n -e '/SRC-COMMON-END/,/BUILD-COMMON-BEGIN/p' cross.spec.in
    sed -n -e '/BUILD-COMMON-BEGIN/,/BUILD-COMMON-END/p' $outfile
    sed -n -e '/BUILD-COMMON-END/,$p' cross.spec.in; } |
    sed -e "s#@base_ver@#$base_ver#" \
	-e "s/^\(ExclusiveArch.*\) $rpmtarget[^ \r]*/\1 /" \
      >> $pkgname.spec
  test -f gcc$base_ver.changes && ln -f gcc$base_ver.changes $pkgname.changes
}

add_newlib_cross() {
  add_cross $1-bootstrap $2 $3 "%define gcc_target_newlib 1
%define gcc_libc_bootstrap 1"
  add_cross $1           $2 $3 "%define gcc_target_newlib 1"
}

add_glibc_cross() {
  add_cross $1-bootstrap $2 $3 "%define gcc_libc_bootstrap 1"
  add_cross $1           $2 $3 "%define gcc_target_glibc 1"
}

# We now support "proper" cross-compilers to suse targets via a
# cross-glibc package, enable that via for example
#
# add_cross cross-aarch64-gcc$base_ver aarch64 aarch64-suse-linux
#
# For now keep the old way of doing things
if test "$do_crosses" = 1 ; then
add_glibc_cross cross-aarch64-gcc$base_ver aarch64 aarch64-suse-linux
add_glibc_cross cross-riscv64-gcc$base_ver riscv64 riscv64-suse-linux
add_cross cross-arm-gcc$base_ver arm arm-suse-linux-gnueabi %define gcc_icecream 1
add_cross cross-avr-gcc$base_ver-bootstrap avr avr "%define gcc_libc_bootstrap 1"
add_cross cross-avr-gcc$base_ver avr avr
add_cross cross-x86_64-gcc$base_ver x86_64 x86_64-suse-linux %define gcc_icecream 1
add_cross cross-s390x-gcc$base_ver s390x s390x-suse-linux %define gcc_icecream 1
add_cross cross-sparc-gcc$base_ver sparcv9 sparc-suse-linux %define gcc_icecream 1
add_cross cross-sparc64-gcc$base_ver sparc64 sparc64-suse-linux %define gcc_icecream 1
add_cross cross-ppc64-gcc$base_ver ppc64 powerpc64-suse-linux %define gcc_icecream 1
add_cross cross-ppc64le-gcc$base_ver ppc64le powerpc64le-suse-linux %define gcc_icecream 1
add_cross cross-m68k-gcc$base_ver m68k m68k-suse-linux %define gcc_icecream 1
add_cross cross-mips-gcc$base_ver mips mips-suse-linux %define gcc_icecream 1
add_cross cross-hppa-gcc$base_ver hppa hppa-suse-linux %define gcc_icecream 1
add_newlib_cross cross-arm-none-gcc$base_ver arm-none arm-none-eabi
add_newlib_cross cross-epiphany-gcc$base_ver epiphany epiphany-elf
#add_newlib_cross cross-nds32le-gcc$base_ver nds32le nds32le-elf
add_newlib_cross cross-riscv64-elf-gcc$base_ver riscv64 riscv64-elf
#add_newlib_cross cross-rl78-gcc$base_ver rl78 rl78-elf
add_newlib_cross cross-rx-gcc$base_ver rx rx-elf
fi
# the nvptx and amdgcn crosses are used for offloading
add_cross cross-nvptx-gcc$base_ver nvptx nvptx-none %define gcc_accel 1
add_cross cross-amdgcn-gcc$base_ver amdgcn amdgcn-amdhsa %define gcc_accel 1

for f in *.spec; do
  sed -i -e '/^# .*-\(BEGIN\|END\)$/d' $f
done

osc service localrun format_spec_file