From 2069da0c2cd5d18e558d493d0cadb7bc2e02fd05 Mon Sep 17 00:00:00 2001
From: Yao Xu <syxuyao@outlook.com>
Date: Mon, 7 Jul 2025 13:25:12 -0700
Subject: [PATCH] Changed the required python version to 3.6

---
 bin/mana_shadow_mpi_libs.py |  2 +-
 configure                   | 30 ------------------------------
 configure.ac                | 18 ------------------
 3 files changed, 1 insertion(+), 49 deletions(-)

diff --git a/bin/mana_shadow_mpi_libs.py b/bin/mana_shadow_mpi_libs.py
index 0deec8aea..5ff14a3cc 100755
--- a/bin/mana_shadow_mpi_libs.py
+++ b/bin/mana_shadow_mpi_libs.py
@@ -20,7 +20,7 @@ def filter_library_dependencies(executable):
     symbolic and absolute library names.
   """
   try :
-    result = subprocess.run(["ldd", executable], capture_output=True, text=True, check=True)
+    result = subprocess.run(["ldd", executable], stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, check=True)
   except subprocess.CalledProcessError:
     print(f"Error: UNable to run ldd on {executable}")
     sys.exit(1)
diff --git a/configure b/configure
index 32a5e2158..97cb591d1 100755
--- a/configure
+++ b/configure
@@ -5251,36 +5251,6 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Python 3.7 or later" >&5
-printf %s "checking for Python 3.7 or later... " >&6; }
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for python3 version >= 3.7" >&5
-printf %s "checking for python3 version >= 3.7... " >&6; }
-if test ${ac_cv_python3_version_3_7_or_later+y}
-then :
-  printf %s "(cached) " >&6
-else $as_nop
-
-  ac_cv_python3_version_3_7_or_later=no
-  if python3 -c 'import sys; exit(0 if sys.version_info >= (3, 7) else 1)' \
-      2>/dev/null; then
-    ac_cv_python3_version_3_7_or_later=yes
-    PYTHON3_BIN="python3"
-  fi
-
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_python3_version_3_7_or_later" >&5
-printf "%s\n" "$ac_cv_python3_version_3_7_or_later" >&6; }
-if test "x$ac_cv_python3_version_3_7_or_later" = "xyes"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes, found $PYTHON3_BIN" >&5
-printf "%s\n" "yes, found $PYTHON3_BIN" >&6; }
-
-else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-  as_fn_error $? "Python 3.7 or later is required" "$LINENO" 5
-fi
-
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dmtcp/configure" >&5
 printf %s "checking for dmtcp/configure... " >&6; }
 if test ${ac_cv_file_dmtcp_configure+y}
diff --git a/configure.ac b/configure.ac
index c18e90e1e..d4ea877f2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -39,24 +39,6 @@ AX_CHECK_COMPILE_FLAG([-fallow-argument-mismatch],
                       [])
 AC_LANG_POP([Fortran])
 
-AC_MSG_CHECKING([for Python 3.7 or later])
-AC_CACHE_CHECK([for python3 version >= 3.7], ac_cv_python3_version_3_7_or_later,
-[
-  ac_cv_python3_version_3_7_or_later=no
-  if python3 -c 'import sys; exit(0 if sys.version_info >= (3, 7) else 1)' \
-      2>/dev/null; then
-    ac_cv_python3_version_3_7_or_later=yes
-    PYTHON3_BIN="python3"
-  fi
-])
-if test "x$ac_cv_python3_version_3_7_or_later" = "xyes"; then
-  AC_MSG_RESULT([yes, found $PYTHON3_BIN])
-  AC_SUBST([PYTHON3_BIN])
-else
-  AC_MSG_RESULT([no])
-  AC_MSG_ERROR([Python 3.7 or later is required])
-fi
-
 AC_CHECK_FILE([dmtcp/configure],
   [AC_MSG_RESULT([yes, dmtcp/configure exists])
    AC_DEFINE([HAVE_DMTCP_CONFIGURE], 1, [Define if dmtcp/configure exists])