diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 688abf222..f58158ac2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -141,6 +141,43 @@ jobs:
           cd ../boost-root
           ./b2 -j3 libs/$LIBRARY/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} variant=debug,release
 
+  alpine-linux:
+    runs-on: ubuntu-latest
+    container:
+      image: alpine:3.20.1
+    steps:
+      - name: Install packages
+        run: apk add g++ git python3 linux-headers
+
+      - uses: actions/checkout@v4
+
+      - name: Setup Boost
+        run: |
+          echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
+          LIBRARY=${GITHUB_REPOSITORY#*/}
+          echo LIBRARY: $LIBRARY
+          echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
+          echo GITHUB_BASE_REF: $GITHUB_BASE_REF
+          echo GITHUB_REF: $GITHUB_REF
+          REF=${GITHUB_BASE_REF:-$GITHUB_REF}
+          REF=${REF#refs/heads/}
+          echo REF: $REF
+          BOOST_BRANCH=develop && [ "$REF" == "master" ] && BOOST_BRANCH=master || true
+          echo BOOST_BRANCH: $BOOST_BRANCH
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
+          git submodule update --init tools/boostdep
+          python3 tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
+          ./bootstrap.sh
+          ./b2 -d0 headers
+
+      - name: Run tests
+        run: |
+          cd ../boost-root
+          ./b2 -j3 libs/$LIBRARY/test toolset=gcc cxxstd=23 variant=debug,release
+
   windows:
     strategy:
       fail-fast: false
diff --git a/CMakeLists.txt b/CMakeLists.txt
index bdb83c64e..c009f2f66 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -57,7 +57,7 @@ else()
 endif()
 
 if (WIN32)
-  target_link_libraries(boost_process PUBLIC ntdll)
+  target_link_libraries(boost_process PUBLIC ntdll shell32 Advapi32 user32)
 endif()
 
 if(BUILD_SHARED_LIBS)
diff --git a/build/Jamfile b/build/Jamfile
index 1a1c34511..2166181cb 100644
--- a/build/Jamfile
+++ b/build/Jamfile
@@ -40,11 +40,23 @@ alias process_sources
      shell.cpp
    ;
 
+if [ os.name ] = NT
+{
+  lib shell32 ;
+  lib Advapi32 ;
+  lib Ntdll ;
+  lib user32 ;
+}
+
 lib boost_process
    : process_sources
    : requirements <define>BOOST_PROCESS_SOURCE=1
      <link>shared:<define>BOOST_PROCESS_DYN_LINK=1
      <boost.process.fs>boost:<library>/boost//filesystem
+     <target-os>windows:<library>shell32
+     <target-os>windows:<library>user32
+     <target-os>windows:<library>Ntdll
+     <target-os>windows:<library>Advapi32
    : usage-requirements
      <link>shared:<define>BOOST_PROCESS_DYN_LINK=1
      <boost.process.fs>boost:<library>/boost//filesystem
diff --git a/include/boost/process/v2/detail/environment_win.hpp b/include/boost/process/v2/detail/environment_win.hpp
index 3ddd419e8..c36dfd752 100644
--- a/include/boost/process/v2/detail/environment_win.hpp
+++ b/include/boost/process/v2/detail/environment_win.hpp
@@ -57,7 +57,7 @@ struct key_char_traits
     return to_lower(c1) < to_lower(c2);
   }
 
-  BOOST_CONSTEXPR static
+  BOOST_CXX14_CONSTEXPR static
   int compare(const char_type* s1, const char_type* s2, size_t n) BOOST_NOEXCEPT
   {
     auto itrs = std::mismatch(s1, s1 + n, s2, &eq);
@@ -69,17 +69,17 @@ struct key_char_traits
     return (c1 < c2 ) ? -1 : 1;
   }
 
-  BOOST_CONSTEXPR static size_t length(const char* s)    BOOST_NOEXCEPT  { return std::strlen(s); }
-  BOOST_CONSTEXPR static size_t length(const wchar_t* s) BOOST_NOEXCEPT  { return std::wcslen(s); }
+  static size_t length(const char* s)    BOOST_NOEXCEPT  { return std::strlen(s); }
+  static size_t length(const wchar_t* s) BOOST_NOEXCEPT  { return std::wcslen(s); }
 
-  BOOST_CONSTEXPR static
+  BOOST_CXX14_CONSTEXPR static
   const char_type* find(const char_type* s, size_t n, const char_type& a) BOOST_NOEXCEPT
   {
     const char_type u = to_lower(a);
     return std::find_if(s, s + n, [u](char_type c){return to_lower(c) == u;});
   }
 
-  BOOST_CONSTEXPR static
+  BOOST_CXX14_CONSTEXPR static
   char_type* move(char_type* s1, const char_type* s2, size_t n) BOOST_NOEXCEPT
   {
     if (s1 < s2)
@@ -94,7 +94,7 @@ struct key_char_traits
     return std::copy(s2, s2 + n, s1);
   }
 
-  BOOST_CONSTEXPR static
+  BOOST_CXX14_CONSTEXPR static
   char_type* assign(char_type* s, size_t n, char_type a) BOOST_NOEXCEPT
   {
     std::fill(s, s + n, a);
diff --git a/src/posix/close_handles.cpp b/src/posix/close_handles.cpp
index f4892f566..39d63e6dd 100644
--- a/src/posix/close_handles.cpp
+++ b/src/posix/close_handles.cpp
@@ -47,7 +47,7 @@ int fdwalk(int (*func)(void *, int), void *cd);
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0) // kernel has close_range
 
-#include <gnu/libc-version.h>
+// version is included by stdlib.h #include <gnu/libc-version.h>
 #if (__GLIBC__ >= 2 && __GLIBC_MINOR__ >= 34) // glibc is compiled with close_range support
 // https://man7.org/linux/man-pages/man2/close_range.2.html
 
@@ -60,6 +60,10 @@ int fdwalk(int (*func)(void *, int), void *cd);
 #if defined(SYS_close_range)
 
 #define BOOST_PROCESS_V2_HAS_CLOSE_RANGE 1
+#if !defined(CLOSE_RANGE_UNSHARE)
+#define CLOSE_RANGE_UNSHARE 2
+#endif
+
 int close_range(unsigned int first, unsigned int last, int flags)
 {
   return ::syscall(SYS_close_range, first, last, flags);
diff --git a/test/v2/Jamfile.jam b/test/v2/Jamfile.jam
index fcaa81303..58baacf0f 100644
--- a/test/v2/Jamfile.jam
+++ b/test/v2/Jamfile.jam
@@ -43,15 +43,10 @@ exe target : target.cpp :
                   <target-os>windows:<source>Ntdll
     ;
 
-
 lib test_impl : test_impl.cpp filesystem /boost//process :
         <define>BOOST_PROCESS_V2_SEPARATE_COMPILATION=1
         <define>BOOST_TEST_IGNORE_SIGCHLD=1
         <link>static
-        <target-os>windows:<source>shell32
-        <target-os>windows:<source>user32
-        <target-os>windows:<source>Ntdll
-        <target-os>windows:<source>Advapi32
         ;
 
 test-suite standalone :