legacy-support: update to v1.4.0.

Notable changes since v1.3.0:

    - Works around Apple's broken versioning in the macOS 15 SDK
    - Implements scandir() compatibility feature
    - Fixes dprintf() bug and implements vdprintf()
      See: https://trac.macports.org/ticket/67598
      See: https://trac.macports.org/ticket/70118

    - Mismatched SDK compatibility is extended to include 15.x SDK.
    - Broken 10.4 CLOCK_MONOTONIC is fixed.

    - Fixes stat inconsistency in some 32-bit 10.4 builds.
    - Adds stat64 header support for 10.4 SDK.
    - Adds INODE64 support for *stat*() on 10.4.
    - Reworks fstatat*() support, similar to previous item,
      fixing buffer overrun in some cases.
    - Backports 10.5 'which' to 10.4.

    - Adds support for code that can't tolerate the normal scandir()
      compatibility feature.
    - Replaces broken 10.4/10.5 copyfile wrapper with full 10.6
      copyfile.
    - Extends 10.4 INODE64 support to *statx_np() functions.
    - Expands TARGET_* defaults.
      See: https://trac.macports.org/ticket/70824

    - Fixes 10.4 Rosetta bug in fstatx_np()
    - Makes renameat() available via stdio.h
      See: https://trac.macports.org/ticket/71842
    - Implements interim clock_gettime_nsec_np()
      See: https://trac.macports.org/ticket/61691
    - Implements clock_settime()
      See: https://trac.macports.org/ticket/71399
    - Adds net/if_tun.h for <10.6
      See: https://trac.macports.org/ticket/70231
    - Provides pthread_[f]chdir_np() for 10.5+
      See: https://trac.macports.org/ticket/71265
    - Adds CPU_TYPE_ARM definition for 10.4
      See: https://trac.macports.org/ticket/71621

TESTED:
Tested both normal and -devel versions -/+universal on 10.4-10.5 ppc,
10.5-10.6 ppc (i386 Rosetta), 10.4-10.6 i386, 10.4-12.x x86_64, and
11.x-15.x arm64.
Builds and passes all tests on all tested platforms.

devel/legacy-support/Portfile

@@ -22,7 +22,7 @@ long_description    {*}${description}
 epoch               1
 
 # Primary release version
-set release_ver     1.3.0
+set release_ver     1.4.0
 
 # Binary compatibility version
 set compat_ver      1.0.0
@@ -34,19 +34,9 @@ subport ${name} {
     # N.B.: That's a nice theory, but neither choice works correctly
     github.tarball_from tarball
     revision            0
-    checksums           rmd160  7d17aa039df1dd3e6d769a570bae703cea111e74 \
-                        sha256  cc0f2c5d6d2dfe1b8cfa15b1f590856552df22dc9cfa1b2b796557ed2f54e3e1 \
-                        size    95241
-
-    # Until this can be fixed disable parallel builds...
-    # https://build.macports.org/builders/ports-10.10_x86_64-builder/builds/141962/steps/install-port/logs/stdio
-    use_parallel_build  no
-
-    pre-patch {
-        # until upstream can be fixed, do not include atexit symbols
-        # under certain circumstances, infinite recursive loops can form
-        delete ${worksrcpath}/src/macports_legacy_atexit.c
-    }
+    checksums           rmd160  7869ee1f847476a90364b00550006608d008d653 \
+                        sha256  336e98b306fd3d928b43342664daa550953f8f25233467670486c62544c80f67 \
+                        size    163812
 }
 
 subport ${name}-devel {
@@ -64,35 +54,20 @@ subport ${name}-devel {
                         size    163812
     set v_split         [split ${release_ver} .]
     set release_ver     [lindex ${v_split} 0].[lindex ${v_split} 1].99
-
-    # Include Leopard-specific additions
-    platform darwin 9 {
-        build.target-append     leopard-bins
-        destroot.target-append  install-leopard
-    }
 }
 
 # The makefile PG brings in the unnecessary compiler_wrapper PG.
 # Disable it to reduce logfile clutter and obfuscation.
+#
 compwrap.compilers_to_wrap
 
-# NOTE: Update this comment on the next release (C++ tests are gone).
+# This port doesn't use C++ at all, except for three obsolete tests that
+# are now manual-only.  Disabling cxx_stdlib avoids unnessary compiler
+# constraints on some platforms.
 #
-# This port doesn't use C++ at all, except for a couple of tests which may
-# fail to build with a non-OS-default stdlib setting.  Since the cxx_stdlib
-# selection is unimportant for the tests (which are actually only testing
-# the C-only interface to the library), we disable the cxx_stlib setting.
-# This also avoids depending on a MacPorts compiler in some OS versions.
-
 configure.cxx_stdlib
 
-# NOTE: The variables LD, LIPO, and PLATFORM are no longer used by the
-# latest code.  Their definitions should be removed once that code becomes the
-# release version.
-build.env-append    LD=ld \
-                    "LIPO=/usr/bin/lipo" \
-                    PLATFORM=${os.major} \
-                    SOCURVERSION=${release_ver} \
+build.env-append    SOCURVERSION=${release_ver} \
                     SOCOMPATVERSION=${compat_ver}
 
 # Include Tiger-specific additions
@@ -101,11 +76,10 @@ platform darwin 8 {
     destroot.target-append  install-tiger
 }
 
-# NOTE: The variable FORCE_ARCH is no longer used by the
-# latest code.  Its definition should be removed once that becomes the
-# release version.
-foreach arch ${muniversal.architectures} {
-    build.env.${arch}-append    FORCE_ARCH=${arch}
+# Include Leopard-specific additions
+platform darwin 9 {
+    build.target-append     leopard-bins
+    destroot.target-append  install-leopard
 }
 
 test.env            {*}${build.env}