From 62766863e78908c90faf17f902ffed477a4523cb Mon Sep 17 00:00:00 2001
From: Anhad Singh <andypython@protonmail.com>
Date: Mon, 2 Dec 2024 14:48:43 +1100
Subject: [PATCH] Redox

Signed-off-by: Anhad Singh <andypython@protonmail.com>
---
 m4/libtool.m4 | 42 +++++++++++++++++++++++++++++++++++++++---
 m4/ltdl.m4    |  3 +++
 2 files changed, 42 insertions(+), 3 deletions(-)

diff --git a/m4/libtool.m4 b/m4/libtool.m4
index 8d323b3e..57b91cdb 100644
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -1725,9 +1725,9 @@ AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
     lt_cv_sys_max_cmd_len=12288;    # 12K is about right
     ;;
 
-  gnu* | ironclad*)
-    # Under GNU Hurd and Ironclad, this test is not required because there
-    # is no limit to the length of command line arguments.
+  gnu* | ironclad* | redox*)
+    # Under GNU Hurd, Ironclad and Redox, this test is not required 
+    # because there is no limit to the length of command line arguments.
     # Libtool will interpret -1 as no limit whatsoever
     lt_cv_sys_max_cmd_len=-1;
     ;;
@@ -3008,6 +3008,18 @@ netbsd*)
   hardcode_into_libs=yes
   ;;
 
+redox*)
+  version_type=linux # correct to gnu/linux during the next big refactor
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+  soname_spec='$libname$release$shared_ext$major'
+  dynamic_linker='relibc ld64.so'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  ;;
+
 newsos6)
   version_type=linux # correct to gnu/linux during the next big refactor
   library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
@@ -3678,6 +3690,10 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
+redox*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
+
 netbsd* | netbsdelf*-gnu)
   if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
     lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
@@ -4565,6 +4581,8 @@ m4_if([$1], [CXX], [
 	;;
       *-mlibc)
 	;;
+      redox*)
+	;;
       *qnx* | *nto*)
         # QNX uses GNU C++, but need to define -shared option too, otherwise
         # it will coredump.
@@ -4927,6 +4945,12 @@ m4_if([$1], [CXX], [
       _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
       ;;
 
+    redox*)
+      _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+      _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+      ;;
+
     *nto* | *qnx*)
       # QNX uses GNU C++, but need to define -shared option too, otherwise
       # it will coredump.
@@ -5413,6 +5437,11 @@ _LT_EOF
 	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
       ;;
 
+    redox*)
+	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'
+	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib'
+      ;;
+
     netbsd* | netbsdelf*-gnu)
       if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
@@ -5959,6 +5988,9 @@ _LT_EOF
     *-mlibc)
       ;;
 
+    redox*)
+      ;;
+
     netbsd* | netbsdelf*-gnu)
       if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
@@ -7266,6 +7298,10 @@ if test yes != "$_lt_caught_CXX_error"; then
         _LT_TAGVAR(ld_shlibs, $1)=yes
 	;;
 
+      redox*)
+        _LT_TAGVAR(ld_shlibs, $1)=yes
+	;;
+
       netbsd*)
         if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	  _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable  -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
diff --git a/m4/ltdl.m4 b/m4/ltdl.m4
index c7790ffd..d29cf1cd 100644
--- a/m4/ltdl.m4
+++ b/m4/ltdl.m4
@@ -498,6 +498,9 @@ AC_CACHE_CHECK([whether deplibs are loaded by dlopen],
   *-mlibc)
     lt_cv_sys_dlopen_deplibs=yes
     ;;
+  redox*)
+    lt_cv_sys_dlopen_deplibs=yes
+    ;;
   netbsd* | netbsdelf*-gnu)
     lt_cv_sys_dlopen_deplibs=yes
     ;;
-- 
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