1 files changed, 117 insertions, 0 deletions
diff --git a/build/moz.configure/nspr.configure b/build/moz.configure/nspr.configure
new file mode 100644
index 0000000000..2b21a66f03
--- /dev/null
+++ b/build/moz.configure/nspr.configure
@@ -0,0 +1,117 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Top-level configure defaults to building NSPR from source. Standalone JS
+# doesn't.
+option(
+    "--enable-nspr-build",
+    when=js_standalone,
+    help="{Build|Do not build} NSPR from source tree",
+)
+
+
+@depends("--enable-nspr-build", when=js_standalone)
+def enable_nspr_build(enable):
+    if enable:
+        return enable
+
+
+option("--with-system-nspr", help="Use system NSPR")
+
+
+@depends(enable_nspr_build, "--with-system-nspr", js_standalone)
+def build_nspr(nspr_build, system_nspr, js_standalone):
+    if nspr_build is not None and nspr_build.origin != "default":
+        if nspr_build and system_nspr:
+            die("Cannot use both --enable-nspr-build and --with-system-nspr")
+    if js_standalone:
+        return nspr_build
+    return not system_nspr
+
+
+set_config("MOZ_BUILD_NSPR", True, when=build_nspr)
+set_config("MOZ_SYSTEM_NSPR", True, when="--with-system-nspr")
+
+
+@depends(build_nspr, "--with-system-nspr", js_standalone)
+def js_without_nspr(build_nspr, system_nspr, js_standalone):
+    if js_standalone:
+        return not build_nspr and not system_nspr
+
+
+set_config("JS_WITHOUT_NSPR", True, when=js_without_nspr)
+set_define("JS_WITHOUT_NSPR", True, when=js_without_nspr)
+
+
+@depends(js_standalone)
+def nspr_minver(js_standalone):
+    if js_standalone:
+        return "nspr >= 4.10"
+    return "nspr >= 4.26"
+
+
+nspr_pkg = pkg_check_modules("NSPR", nspr_minver, when="--with-system-nspr")
+
+
+@depends_if(nspr_pkg)
+def nspr_pkg(nspr_pkg):
+    def extract(prefix, list):
+        for item in list:
+            if item.startswith(prefix):
+                return item[len(prefix) :]
+        return ""
+
+    include_dir = extract("-I", nspr_pkg.cflags)
+    lib_dir = extract("-L", nspr_pkg.libs)
+    return namespace(
+        cflags=nspr_pkg.cflags,
+        include_dir=include_dir,
+        libs=nspr_pkg.libs,
+        lib_dir=lib_dir,
+    )
+
+
+@depends("--with-system-nspr", nspr_minver)
+def pkgconf_requires_private(system_nspr, nspr_minver):
+    if not system_nspr:
+        return ""
+    return "Requires.private: %s" % nspr_minver
+
+
+set_config("PKGCONF_REQUIRES_PRIVATE", pkgconf_requires_private)
+
+# pkg_check_modules takes care of NSPR_CFLAGS and NSPR_LIBS when using --with-system-nspr.
+@depends(check_build_environment, c_compiler, fold_libs, when=build_nspr)
+def nspr_config(build_env, c_compiler, fold_libs):
+    libs = ["nspr4", "plc4", "plds4"]
+    if c_compiler.type == "clang-cl":
+        lib_dir = os.path.join(build_env.dist, "lib")
+        libs = [os.path.join(lib_dir, "%s.lib" % lib) for lib in libs]
+    else:
+        lib_dir = os.path.join(build_env.dist, "lib" if fold_libs else "bin")
+        libs = ["-L%s" % lib_dir] + ["-l%s" % lib for lib in libs]
+
+    include_dir = os.path.join(build_env.dist, "include", "nspr")
+    return namespace(
+        cflags=["-I%s" % include_dir],
+        include_dir=include_dir,
+        libs=libs,
+        lib_dir=lib_dir,
+    )
+
+
+set_config("NSPR_CFLAGS", nspr_config.cflags, when=nspr_config)
+set_config("NSPR_LIBS", nspr_config.libs, when=nspr_config)
+
+set_config("NSPR_INCLUDE_DIR", nspr_config.include_dir, when=nspr_config)
+set_config("NSPR_LIB_DIR", nspr_config.lib_dir, when=nspr_config)
+set_config("NSPR_INCLUDE_DIR", nspr_pkg.include_dir, when=nspr_pkg)
+set_config("NSPR_LIB_DIR", nspr_pkg.lib_dir, when=nspr_pkg)
+
+add_old_configure_assignment("NSPR_CFLAGS", nspr_config.cflags, when=nspr_config)
+add_old_configure_assignment("NSPR_LIBS", nspr_config.libs, when=nspr_config)
+add_old_configure_assignment("NSPR_CFLAGS", nspr_pkg.cflags, when=nspr_pkg)
+add_old_configure_assignment("NSPR_LIBS", nspr_pkg.libs, when=nspr_pkg)