libk  Diff

#!/usr/bin/env bash
export out=${out:-out}
. global/common.sh
noimpl() {
	say "$1 is not currently implemented on your system. an exciting chance for you to contribute, no?"
	exit 1
}
timestamp() { date "+%H:%M:%S %A"; }

if test "$os$arch$bits" = ""; then
	say "set the following environment variables to the appropriate atoms describing your system. for help determining the appropriate atoms, see libk.md"
	say ' - $os={lin|fbsd|hai|osx…}'
	say ' - $arch={x86|arm|ia64|mips…}'
	say ' - $bits={|32|64…}'
	exit 1
................................................................................
has clang && _cc=clang 
has gcc && _cc=gcc # prefer gcc
cc=${cc:-$_cc}
has m4 && _m4=m4
m4=${m4:-$_m4}
has nasm && asm=nasm
has yasm && asm=yasm # prefer yasm


export gen=${gen:-gen}
library=${library:-static} # {static|shared|both}
export verbose=${verbose:-quiet} # {no|quiet|loud}

doc=${doc:-yes}
export doc_html=${doc_html:-yes}
export doc_pdf=${doc_pdf:-yes}
................................................................................

macro_compile_env="-Datom_target_arch=$arch -Datom_target_os=$os -Dtarget_posix=$posix -Dtarget_unix=$unix"

if test "$bits" != ""; then
	macro_compile_env="$macro_compile_env -Datom_target_bits=$bits"
fi

if test "$COLORTERM" != ""; then
	announce() {
		test "$verbose" = "silent" && return
		color="$1" cmd="$2"; shift 2;
		printf " → [38;5;$color;1m$cmd"
		for a in "$@"; do
			if test ${a:0:1} = "-"; then
				printf " $a";
			else
				printf " $a";
			fi
		done
		echo
	}
else
	announce() { shift; echo " --> " $@; }
fi

# the following function is called to report a command invocation
# the person compiling the library. the first argument should be
# an ansi format string; this is used to color-code the tool being
# launched and thus should be different for each one.
report() { announce $@; shift; $@; }
comp_mac() {
	local src=$1
	local output=$2
	local flags=$3
	if test -e "$output"; then
		if test ! "$output" -ot "$src"; then
			return
		fi 
	fi
	             $m4 $macro_compile_env -I "$gen" $flags "$src"  > "$output"
	announce 207 $m4 $macro_compile_env -I "$gen" $flags "$src" \> "$output"
	# yes, this is incredibly stupid. if you know a better way, feel
	# free to submit a fix. the problem is there's no way to pass >
	# to report in such a way that it'll do the right thing, and if
	# you just write > it redirects *report's* output, instead of
	# m4's. piece of shit that it is, m4 doesn't have any way to emit
	# output into a fille - stdout only apparently. tl;dr i hate bash.
}
................................................................................
	local output=$2
	local flags=$3
	if test -e "$output"; then
		if test ! "$output" -ot "$src"; then
			return
		fi
	fi
	report 198 $asm $flags "-f$bin_fmt" -i "$gen" "$src" -o "$output";
}
comp_co()  { comp_c $1 $2 "-c -fPIC"; }
comp_c(){
	local src=$1
	local output=$2
	local flags=$3
	if test -e "$output"; then
		if test ! "$output" -ot "$src"; then
			return
		fi
	fi
	# only rebuild the file if the source file is newer
	report 213 $cc $src $3 -std=c11 -isystem "$out" -isystem "$gen" -isystem "arch/" -nostdlib "-L$out" "-o$output"
}

scan() { find "$1" -name "$2"; }

say "commencing libk build $build at $(timestamp)"
# set -x

# get type data
mkdir -p $gen
$cc -D_emit_m4_include arch/typesize.c -o $gen/typesize 
$gen/typesize > gen/typesize.m
................................................................................
grep -h "#[ 	]*define[ 	]\+E" $p_headers_errno |
	sed 's;^#[\t ]*define[\t ]\+\(E[A-Z0-9]\+\).*$;k_platform_error_\1 \1;' >\
	$gen/error_names.tbl
cat $p_headers_errno $gen/error_names.tbl | cpp -P >$gen/error_numbers.tbl
awk -f arch/errtbl.awk <$gen/error_numbers.tbl >$gen/error_table.h

# generate symbol tables for error handling functions
mkdir -p "$out/k"
awk -f global/gen-conds.awk <global/modules >$out/k/internal.egroup.h
awk -f global/gen-ident.awk <global/modules >$gen/internal.ident.c
comp_co $gen/internal.ident.c $out/internal.ident.o

# first pass: copy all headers into place,
# including ones we need to generate

for mod in ${modules[@]}; do
	for h in $(scan $mod '*.h'); do
		base=$(basename $h)
		cp "$h" "$out/k/$base"
	done

	for h in $(scan $mod '*.h.m'); do
		base=$(basename $h)
		dest=${base%%.m}
		comp_mac "$h" "$out/k/$dest"
	done
done

# second pass: generate manpage, html, and pdf
# versions of the documentation from the md src

if test "$doc" = "yes"; then
	global/build-manpage.sh libk.md
	for mod in ${modules[@]}; do
		for doc in $(scan $mod '*.md'); do
			base="$(basename $doc)"
			stem="${base%%.md}"
			report 177 global/build-manpage.sh "$doc"
		done
	done
fi

# third pass: compile sources and save the
# resulting object files to $out, tracking
# which is a runtime or function unit. exe's
# will not be compiled until a later pass

fn_objects=()
rt_objects=()
data_objects=( $out/internal.ident.o )
for mod in ${modules[@]}; do
	for fn in $(scan $mod '*.fn.c'); do
		base="$(basename $fn)"
		dest="$out/$mod.${base%%.c}.o"
		comp_co "$fn" "$dest"
		fn_objects+=("$dest")
	done

	for rt in $(scan $mod '*.rt.c'); do
		base="$(basename $rt)"
		dest="$out/$mod.${base%%.c}.o"
		comp_co "$rt" "$dest"
		rt_objects+=("$dest")
	done

	for fn in $(scan $mod "*.fn.$target.s"); do
		base="$(basename $fn)"
		dest="$out/$mod.${base%%.s}.o"
		comp_asm "$fn" "$dest"
		fn_objects+=("$dest")
	done

	for rt in $(scan $mod "*.rt.$target.s"); do
		base="$(basename $rt)"
		dest="$out/$mod.${base%%.s}.o"
		comp_asm "$rt" "$dest"
		rt_objects+=("$dest")
	done
done

# fourth pass: link the libraries that are
# configured to be built

if test $build_static_library == yes; then
	for obj in ${fn_objects[@]} ${rt_objects[@]} ${data_objects[@]}; do
		report 120 ar rc $out/libk.a $obj
	done
	report 105 ranlib $out/libk.a
fi

if test $build_shared_library == yes; then
	report 216 ld -r ${rt_objects[@]} -o $out/boot.o
	report 216 ld -shared ${fn_objects[@]} -o $out/libk.so
fi

# fifth pass: compile the executable tools
# against the libraries created in pass 5

for mod in ${modules[@]}; do
	for exe in $(scan $mod '*.exe.c'); do
		base="$(basename $exe)"
		dest="$out/$mod.${base%%.exe.c}"
		if test $build_shared_library == yes; then
			comp_c "$out/boot.o $exe" "$dest" -lk
		else
			comp_c "$exe" "$dest" -lk
		fi
	done
done

set +x
say "all passes finished; build $build complete at $(timestamp)"

#!/usr/bin/env bash
export to=${to:-out}
. global/common.sh






if test "$os$arch$bits" = ""; then
	say "set the following environment variables to the appropriate atoms describing your system. for help determining the appropriate atoms, see libk.md"
	say ' - $os={lin|fbsd|hai|osx…}'
	say ' - $arch={x86|arm|ia64|mips…}'
	say ' - $bits={|32|64…}'
	exit 1
................................................................................
has clang && _cc=clang 
has gcc && _cc=gcc # prefer gcc
cc=${cc:-$_cc}
has m4 && _m4=m4
m4=${m4:-$_m4}
has nasm && asm=nasm
has yasm && asm=yasm # prefer yasm
export cc
export m4
export gen=${gen:-gen}
library=${library:-static} # {static|shared|both}
export verbose=${verbose:-quiet} # {no|quiet|loud}

doc=${doc:-yes}
export doc_html=${doc_html:-yes}
export doc_pdf=${doc_pdf:-yes}
................................................................................

macro_compile_env="-Datom_target_arch=$arch -Datom_target_os=$os -Dtarget_posix=$posix -Dtarget_unix=$unix"

if test "$bits" != ""; then
	macro_compile_env="$macro_compile_env -Datom_target_bits=$bits"
fi
























comp_mac() {
	local src=$1
	local output=$2
	local flags=$3
	if test -e "$output"; then
		if test ! "$output" -ot "$src"; then
			return
		fi 
	fi
	          $m4 $macro_compile_env -I "$gen" $flags "$src"  > "$output"
	announce  $m4 $macro_compile_env -I "$gen" $flags "$src" \> "$output"
	# yes, this is incredibly stupid. if you know a better way, feel
	# free to submit a fix. the problem is there's no way to pass >
	# to report in such a way that it'll do the right thing, and if
	# you just write > it redirects *report's* output, instead of
	# m4's. piece of shit that it is, m4 doesn't have any way to emit
	# output into a fille - stdout only apparently. tl;dr i hate bash.
}
................................................................................
	local output=$2
	local flags=$3
	if test -e "$output"; then
		if test ! "$output" -ot "$src"; then
			return
		fi
	fi
	report $asm $flags "-f$bin_fmt" -i "$gen" "$src" -o "$output";
}
comp_co()  { comp_c $1 $2 "-c -fPIC"; }
comp_c(){
	local src=$1
	local output=$2
	local flags=$3
	if test -e "$output"; then
		if test ! "$output" -ot "$src"; then
			return
		fi
	fi
	# only rebuild the file if the source file is newer
	report $cc $src $3 -std=c11 -isystem "$to" -isystem "$gen" -isystem "arch/" -nostdlib "-L$to" "-o$output"
}



say "commencing libk build $build at $(timestamp)"
# set -x

# get type data
mkdir -p $gen
$cc -D_emit_m4_include arch/typesize.c -o $gen/typesize 
$gen/typesize > gen/typesize.m
................................................................................
grep -h "#[ 	]*define[ 	]\+E" $p_headers_errno |
	sed 's;^#[\t ]*define[\t ]\+\(E[A-Z0-9]\+\).*$;k_platform_error_\1 \1;' >\
	$gen/error_names.tbl
cat $p_headers_errno $gen/error_names.tbl | cpp -P >$gen/error_numbers.tbl
awk -f arch/errtbl.awk <$gen/error_numbers.tbl >$gen/error_table.h

# generate symbol tables for error handling functions
mkdir -p "$to/k"
awk -f global/gen-conds.awk <global/modules >$to/k/internal.egroup.h
awk -f global/gen-ident.awk <global/modules >$gen/internal.ident.c
comp_co $gen/internal.ident.c $to/internal.ident.o

# first pass: copy all headers into place,
# including ones we need to generate

for mod in ${modules[@]}; do
	for h in $(scan $mod '*.h'); do
		base=$(basename $h)
		cp "$h" "$to/k/$base"
	done

	for h in $(scan $mod '*.h.m'); do
		base=$(basename $h)
		dest=${base%%.m}
		comp_mac "$h" "$to/k/$dest"
	done
done

# second pass: generate manpage, html, and pdf
# versions of the documentation from the md src

if test "$doc" = "yes"; then
	global/build-manpage.sh libk.md
	for mod in ${modules[@]}; do
		for doc in $(scan $mod '*.md'); do
			base="$(basename $doc)"
			stem="${base%%.md}"
			report global/build-manpage.sh "$doc"
		done
	done
fi

# third pass: compile sources and save the
# resulting object files to $to, tracking
# which is a runtime or function unit. exe's
# will not be compiled until a later pass

fn_objects=()
rt_objects=()
data_objects=( $to/internal.ident.o )
for mod in ${modules[@]}; do
	for fn in $(scan $mod '*.fn.c'); do
		base="$(basename $fn)"
		dest="$to/$mod.${base%%.c}.o"
		comp_co "$fn" "$dest"
		fn_objects+=("$dest")
	done

	for rt in $(scan $mod '*.rt.c'); do
		base="$(basename $rt)"
		dest="$to/$mod.${base%%.c}.o"
		comp_co "$rt" "$dest"
		rt_objects+=("$dest")
	done

	for fn in $(scan $mod "*.fn.$target.s"); do
		base="$(basename $fn)"
		dest="$to/$mod.${base%%.s}.o"
		comp_asm "$fn" "$dest"
		fn_objects+=("$dest")
	done

	for rt in $(scan $mod "*.rt.$target.s"); do
		base="$(basename $rt)"
		dest="$to/$mod.${base%%.s}.o"
		comp_asm "$rt" "$dest"
		rt_objects+=("$dest")
	done
done

# fourth pass: link the libraries that are
# configured to be built

if test $build_static_library == yes; then
	for obj in ${fn_objects[@]} ${rt_objects[@]} ${data_objects[@]}; do
		report ar rc $to/libk.a $obj
	done
	report ranlib $to/libk.a
fi

if test $build_shared_library == yes; then
	report ld -r ${rt_objects[@]} -o $to/boot.o
	report ld -shared ${fn_objects[@]} -o $to/libk.so
fi

# fifth pass: compile the executable tools
# against the libraries created in pass 5

for mod in ${modules[@]}; do
	for exe in $(scan $mod '*.exe.c'); do
		base="$(basename $exe)"
		dest="$to/$mod.${base%%.exe.c}"
		if test $build_shared_library == yes; then
			comp_c "$to/boot.o $exe" "$dest" -lk
		else
			comp_c "$exe" "$dest" -lk
		fi
	done
done

set +x
say "all passes finished; build $build complete at $(timestamp)"