make exec_prefix macro name clearer
diff --git a/m4/python.m4 b/m4/python.m4
--- a/m4/python.m4
+++ b/m4/python.m4
@@ -204,10 +204,10 @@ fi])
AC_SUBST([PYTHON_PREFIX], [$pc_cv_python_prefix])])
-# PC_PYTHON_CHECK_EXECPREFIX
+# PC_PYTHON_CHECK_EXEC_PREFIX
# --------------------------
# Like above, but for $exec_prefix
-AC_DEFUN([PC_PYTHON_CHECK_EXECPREFIX],
+AC_DEFUN([PC_PYTHON_CHECK_EXEC_PREFIX],
[AC_REQUIRE([PC_PYTHON_PROG_PYTHON_CONFIG])[]dnl
AC_CACHE_CHECK([for Python exec-prefix], [pc_cv_python_exec_prefix],
[if test -x "$PYTHON_CONFIG"; then
@@ -374,7 +374,7 @@ AC_SUBST([PYTHON_PLATFORM], [$pc_cv_pyth
# The directory to which new libraries are installed (i.e. the
# "site-packages" directory.
AC_DEFUN([PC_PYTHON_CHECK_SITE_DIR],
-[AC_REQUIRE([AC_PROG_PYTHON])[]dnl
+[AC_REQUIRE([AC_PROG_PYTHON])AC_REQUIRE([PC_PYTHON_CHECK_PREFIX])[]dnl
AC_CACHE_CHECK([for Python site-packages directory],
[pc_cv_python_site_dir],
[AC_LANG_PUSH(Python)[]dnl
@@ -429,7 +429,7 @@ AC_SUBST([pkgpythondir], [\${pythondir}/
# ------------------------
# directory for installing python extension modules (shared libraries)
AC_DEFUN([PC_PYTHON_CHECK_EXEC_DIR],
-[AC_REQUIRE([AC_PROG_PYTHON])[]dnl
+[AC_REQUIRE([AC_PROG_PYTHON])AC_REQUIRE([PC_PYTHON_CHECK_EXEC_PREFIX])[]dnl
AC_CACHE_CHECK([for Python extension module directory],
[pc_cv_python_exec_dir],
[AC_LANG_PUSH(Python)[]dnl