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Add support for specifying linked libraries and library paths
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‎tools/scripts/compile_wasm‎

Lines changed: 67 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -62,6 +62,12 @@ include="${INCLUDE}"
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# Define a list of external source files:
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source_files="${SOURCE_FILES}"
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65+
# Define a list of libraries (e.g., `-lopenblas -lpthreads`):
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libraries="${LIBRARIES}"
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# Define a list of library paths (e.g., `-L /foo/bar -L /beep/boop`):
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libpath="${LIBPATH}"
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# FUNCTIONS #
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@@ -97,9 +103,12 @@ usage() {
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resolve_includes() {
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local includes
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local script
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local opts
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opts="{'wasm':true}"
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# Generate the script for resolving external include directories:
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script='"'"var path = require('path'); var arr = require('@stdlib/tools/library-manifest')(path.join('$1','manifest.json'),{},{'basedir':'$1','paths':'posix'}).include; var str = ''; for (var i = 0; i < arr.length; i++){var p = path.resolve('$1', arr[i]); if (p.indexOf('$1') === 0) {continue;}; str += '-I '+p+' ';}; console.log(str.substring(0, str.length-1));"'"'
111+
script='"'"var path = require('path'); var arr = require('@stdlib/tools/library-manifest')(path.join('$1','manifest.json'),${opts},{'basedir':'$1','paths':'posix'}).include; var str = ''; for (var i = 0; i < arr.length; i++){var p = path.resolve('$1', arr[i]); if (p.indexOf('$1') === 0) {continue;}; str += '-I '+p+' ';}; console.log(str.substring(0, str.length-1));"'"'
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# Resolve include directories:
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includes=$(eval NODE_PATH="${node_path}" "${node_cmd}" -e "${script}")
@@ -113,21 +122,62 @@ resolve_includes() {
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resolve_source_files() {
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local source_files
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local script
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local opts
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opts="{'wasm':true}"
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# Generate the script for resolving external source files:
118-
script='"'"var path = require('path'); var arr = require('@stdlib/tools/library-manifest')(path.join('$1','manifest.json'),{},{'basedir':'$1','paths':'posix'}).src; var str = ''; for (var i = 0; i < arr.length; i++){var p = path.resolve('$1', arr[i]); if (p.indexOf('$1') === 0) {continue;}; str += p+' ';}; console.log(str.substring(0, str.length-1));"'"'
130+
script='"'"var path = require('path'); var arr = require('@stdlib/tools/library-manifest')(path.join('$1','manifest.json'),${opts},{'basedir':'$1','paths':'posix'}).src; var str = ''; for (var i = 0; i < arr.length; i++){var p = path.resolve('$1', arr[i]); if (p.indexOf('$1') === 0) {continue;}; str += p+' ';}; console.log(str.substring(0, str.length-1));"'"'
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# Resolve files:
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source_files=$(eval NODE_PATH="${node_path}" "${node_cmd}" -e "${script}")
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echo "${source_files}"
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}
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# Resolves libraries.
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#
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# $1 - package directory
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resolve_libraries() {
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local libraries
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local script
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local opts
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opts="{'wasm':true}"
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# Generate the script for resolving libraries:
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script='"'"var path = require('path'); var arr = require('@stdlib/tools/library-manifest')(path.join('$1','manifest.json'),${opts},{'basedir':'$1','paths':'posix'}).libraries; var str = ''; for (var i = 0; i < arr.length; i++){str += arr[i]+' ';}; console.log(str.substring(0, str.length-1));"'"'
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151+
# Resolve libraries:
152+
libraries=$(eval NODE_PATH="${node_path}" "${node_cmd}" -e "${script}")
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echo "${libraries}"
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}
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# Resolves library paths.
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#
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# $1 - package directory
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resolve_libpaths() {
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local libpath
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local script
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local opts
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opts="{'wasm':true}"
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167+
# Generate the script for resolving library paths:
168+
script='"'"var path = require('path'); var arr = require('@stdlib/tools/library-manifest')(path.join('$1','manifest.json'),${opts},{'basedir':'$1','paths':'posix'}).libpath; var str = ''; for (var i = 0; i < arr.length; i++){var p = path.resolve('$1', arr[i]); str += '-L '+p+' ';}; console.log(str.substring(0, str.length-1));"'"'
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# Resolve library paths:
171+
libpath=$(eval NODE_PATH="${node_path}" "${node_cmd}" -e "${script}")
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173+
echo "${libpath}"
174+
}
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126176
# Compiles WebAssembly.
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#
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# $1 - source directory
129179
compile() {
130-
cd "$1" && EMCC_COMPILER="${emcc_compiler}" WASM2WAT="${wasm_to_wat}" INCLUDE="${include}" SOURCE_FILES="${source_files}" make wasm 2>&1
180+
cd "$1" && EMCC_COMPILER="${emcc_compiler}" WASM2WAT="${wasm_to_wat}" INCLUDE="${include}" SOURCE_FILES="${source_files}" LIBRARIES="${libraries}" LIBPATH="${libpath}" make wasm 2>&1
131181
if [[ "$?" -ne 0 ]]; then
132182
echo 'Error when attempting to compile WebAssembly.' >&2
133183
return 1
@@ -157,6 +207,20 @@ main() {
157207
on_error 1
158208
fi
159209
fi
210+
if [[ -z "${libraries}" ]]; then
211+
echo 'Resolving libraries...' >&2
212+
libraries=$(resolve_libraries "${pkg_path}")
213+
if [[ "$?" -ne 0 ]]; then
214+
on_error 1
215+
fi
216+
fi
217+
if [[ -z "${libpath}" ]]; then
218+
echo 'Resolving library paths...' >&2
219+
libpath=$(resolve_libpaths "${pkg_path}")
220+
if [[ "$?" -ne 0 ]]; then
221+
on_error 1
222+
fi
223+
fi
160224
echo 'Compiling WebAssembly...' >&2
161225
compile "${src_dir}"
162226
if [[ "$?" -ne 0 ]]; then

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