w3m: new package at v0.5.3 (#21641)

var/spack/repos/builtin/packages/w3m/fix_gc.patch

@@ -0,0 +1,20 @@
+--- w3m-0.5.3/main.c.orig	2011-01-04 18:42:19.000000000 +0900
++++ w3m-0.5.3/main.c	2021-02-05 12:59:06.251334053 +0900
+@@ -311,7 +311,7 @@ wrap_GC_warn_proc(char *msg, GC_word arg
+ 	    lock = 0;
+ 	}
+     }
+-    else if (orig_GC_warn_proc)
++    else if (orig_GC_warn_proc = GC_get_warn_proc())
+ 	orig_GC_warn_proc(msg, arg);
+     else
+ 	fprintf(stderr, msg, (unsigned long)arg);
+@@ -833,7 +833,7 @@ main(int argc, char **argv, char **envp)
+     mySignal(SIGPIPE, SigPipe);
+ #endif
+
+-    orig_GC_warn_proc = GC_set_warn_proc(wrap_GC_warn_proc);
++    GC_set_warn_proc(wrap_GC_warn_proc);
+     err_msg = Strnew();
+     if (load_argc == 0) {
+ 	/* no URL specified */

var/spack/repos/builtin/packages/w3m/fix_redef.patch

@@ -0,0 +1,58 @@
+--- w3m-0.5.3/istream.c.orig	2021-02-05 13:19:44.023053158 +0900
++++ w3m-0.5.3/istream.c	2021-02-05 13:19:53.380179220 +0900
+@@ -22,8 +22,8 @@
+ static void basic_close(int *handle);
+ static int basic_read(int *handle, char *buf, int len);
+
+-static void file_close(struct file_handle *handle);
+-static int file_read(struct file_handle *handle, char *buf, int len);
++static void file_close(struct w3m_file_handle *handle);
++static int file_read(struct w3m_file_handle *handle, char *buf, int len);
+
+ static int str_read(Str handle, char *buf, int len);
+
+@@ -114,7 +114,7 @@ newFileStream(FILE * f, void (*closep) (
+     stream = New(union input_stream);
+     init_base_stream(&stream->base, STREAM_BUF_SIZE);
+     stream->file.type = IST_FILE;
+-    stream->file.handle = New(struct file_handle);
++    stream->file.handle = New(struct w3m_file_handle);
+     stream->file.handle->f = f;
+     if (closep)
+ 	stream->file.handle->close = closep;
+@@ -658,13 +658,13 @@ basic_read(int *handle, char *buf, int l
+ }
+
+ static void
+-file_close(struct file_handle *handle)
++file_close(struct w3m_file_handle *handle)
+ {
+     handle->close(handle->f);
+ }
+
+ static int
+-file_read(struct file_handle *handle, char *buf, int len)
++file_read(struct w3m_file_handle *handle, char *buf, int len)
+ {
+     return fread(buf, 1, len, handle->f);
+ }
+--- w3m-0.5.3/istream.h.orig	2021-02-05 13:19:44.023053158 +0900
++++ w3m-0.5.3/istream.h	2021-02-05 13:19:53.380179220 +0900
+@@ -20,7 +20,7 @@ struct stream_buffer {
+
+ typedef struct stream_buffer *StreamBuffer;
+
+-struct file_handle {
++struct w3m_file_handle {
+     FILE *f;
+     void (*close) ();
+ };
+@@ -53,7 +53,7 @@ struct base_stream {
+
+ struct file_stream {
+     struct stream_buffer stream;
+-    struct file_handle *handle;
++    struct w3m_file_handle *handle;
+     char type;
+     char iseos;
+     int (*read) ();

var/spack/repos/builtin/packages/w3m/package.py

@@ -0,0 +1,76 @@
+# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class W3m(AutotoolsPackage):
+    """
+    w3m is a text-based web browser as well as a pager like `more' or `less'.
+    With w3m you can browse web pages through a terminal emulator window (xterm,
+    rxvt or something like that). Moreover, w3m can be used as a text formatting
+    tool which typesets HTML into plain text.
+    """
+
+    homepage = "http://w3m.sourceforge.net/index.en.html"
+    url      = "https://downloads.sourceforge.net/project/w3m/w3m/w3m-0.5.3/w3m-0.5.3.tar.gz"
+
+    maintainers = ['ronin_gw']
+
+    version('0.5.3', sha256='e994d263f2fd2c22febfbe45103526e00145a7674a0fda79c822b97c2770a9e3')
+
+    # mandatory dependency
+    depends_on('bdw-gc')
+
+    # termlib
+    variant('termlib', default='ncurses', description='select termlib',
+            values=('ncurses', 'termcap', 'none'), multi=False)
+    depends_on('termcap', when='termlib=termcap')
+    depends_on('ncurses+termlib', when='termlib=ncurses')
+
+    # https support
+    variant('https', default=True, description='support https protocol')
+    depends_on('openssl@:1.0.2u', when='+https')
+
+    # X11 support
+    variant('image', default=True, description='enable image')
+    depends_on('libx11', when='+image')
+
+    # inline image support
+    variant('imagelib', default='imlib2', description='select imagelib',
+            values=('gdk-pixbuf', 'imlib2'), multi=False)
+    depends_on('gdk-pixbuf@2:+x11', when='imagelib=gdk-pixbuf +image')
+    depends_on('imlib2@1.0.5:', when='imagelib=imlib2 +image')
+
+    # fix for modern libraries
+    patch('fix_redef.patch')
+    patch('fix_gc.patch')
+
+    def _add_arg_for_variant(self, args, variant, choices):
+        for avail_lib in choices:
+            if self.spec.variants[variant].value == avail_lib:
+                args.append('--with-{0}={1}'.format(variant, avail_lib))
+                return
+
+    def configure_args(self):
+        args = []
+
+        self._add_arg_for_variant(args, 'termlib', ('termcap', 'ncurses'))
+        if '+image' in self.spec:
+            args.append('--enable-image')
+            self._add_arg_for_variant(args, 'imagelib', ('gdk-pixbuf', 'imlib2'))
+
+        return args
+
+    def setup_build_environment(self, env):
+        if self.spec.variants['termlib'].value == 'ncurses':
+            env.append_flags('LDFLAGS', '-ltinfo')
+            env.append_flags('LDFLAGS', '-lncurses')
+        if '+image' in self.spec:
+            env.append_flags('LDFLAGS', '-lX11')
+
+    # parallel build causes build failure
+    def build(self, spec, prefix):
+        make(parallel=False)