consolidate mex build code

Author: scivision

+stdlib/is_admin.m

@@ -1,5 +1,5 @@
 %% IS_ADMIN is the process run as root / admin (requires MEX)
 
 function is_admin()
-error("need to 'buildtool mex' or 'legacy_mex_build()' first")
+error("buildtool mex")
 end

+stdlib/is_char_device.m

@@ -10,7 +10,7 @@
 if stdlib.isoctave()
   ok = S_ISCHR(stat(p).mode);
 else
-  error("need to 'buildtool mex' or 'legacy_mex_build()' first")
+  error("buildtool mex")
 end
 
 end

+stdlib/set_permissions.m

@@ -11,5 +11,5 @@
 % This function is written in C++ using STL <filesystem> and is only available in Matlab.
 
 function set_permissions(~, ~, ~, ~)
-error("need to 'buildtool mex' or 'legacy_mex_build()' first")
+error("buildtool mex")
 end

Readme.md

@@ -33,11 +33,8 @@ functions from the Matlab prompt:
 buildtool mex
 ```
 
-For Matlab R2022a and older, instead do: `legacy_mex_build()`
-
 If just building MEX functions for the first time, to ensure the MEX functions are used instead of the plain Matlab script, one-time do a `clear all` in Matlab.
 
-
 ## Java-based functions
 
 Most Matlab-stdlib filesystem functions work without the

buildfile.m

@@ -20,19 +20,15 @@
 
 plan("publish") = matlab.buildtool.Task(Description="HTML inline doc generate", Actions=@publishTask);
 
-
+bindir = fullfile(plan.RootFolder, pkg_name);
 if isMATLABReleaseOlderThan("R2024b")
-  plan("mex") = matlab.buildtool.Task(Actions=@legacyMexTask);
+  plan("mex") = matlab.buildtool.Task(Actions=@(context)legacyMexTask(context, bindir));
 else
   plan("clean") = matlab.buildtool.tasks.CleanTask;
 
   [compiler_id, compiler_opt] = get_compiler_options();
 
-  srcs = get_mex_sources(plan.RootFolder);
-
-  bindir = fullfile(plan.RootFolder, pkg_name);
-
-  for s = srcs
+  for s = get_mex_sources()
     src = s{1};
     [~, name] = fileparts(src(1));
 
@@ -46,8 +42,20 @@
 end
 
 
-function legacyMexTask(context)
-legacy_mex_build(context.Plan.RootFolder, fullfile(context.Plan.RootFolder, "+stdlib"))
+function legacyMexTask(context, bindir)
+
+[compiler_id, compiler_opt] = get_compiler_options();
+
+srcs = get_mex_sources(context.Plan.RootFolder);
+
+%% build C++ mex
+% https://www.mathworks.com/help/matlab/ref/mex.html
+for s = srcs
+  src = s{1};
+  [~, name] = fileparts(src(1));
+  disp("Building MEX target: " + name)
+  mex(s{1}{:}, "-outdir", bindir, compiler_id, compiler_opt)
+end
 end
 
 
@@ -68,3 +76,35 @@ function publishTask(context)
   "https://github.com/geospace-code/matlab-stdlib", ...
   outdir)
 end
+
+
+function srcs = get_mex_sources()
+
+limits = "src/limits_fs.cpp";
+
+win = limits;
+if ispc
+win(end+1) = "src/windows.cpp";
+end
+
+mac = "src/macos.cpp";
+
+sym = "src/symlink_fs.cpp";
+
+
+srcs = {
+["src/is_admin.cpp", "src/admin_fs.cpp"] ...
+"src/is_char_device.cpp", ...
+"src/set_permissions.cpp", ...
+["src/is_rosetta.cpp", mac], ...
+["src/windows_shortname.cpp", win], ...
+};
+
+%%  new in R2024b
+if isMATLABReleaseOlderThan("R2024b")
+srcs{end+1} = ["src/is_symlink.cpp", win, sym];
+srcs{end+1} = ["src/create_symlink.cpp", win, sym];
+srcs{end+1} = ["src/read_symlink.cpp", win, sym];
+end
+
+end