build: PHP<7.2 compatibility

[m6w6/ext-psi] / m4 / psi / psi_decl.m4

diff --git a/m4/psi/psi_decl.m4 b/m4/psi/psi_decl.m4
index 1ac4983105217b74e671c91470c9325681495027..d699dd80d2db65345115003fd71afe5a8cbc0336 100644 (file)
--- a/m4/psi/psi_decl.m4
+++ b/m4/psi/psi_decl.m4
@@ -24,19 +24,6 @@ AC_DEFUN(PSI_REDIR, [
        psi_add_redir $1 ifelse([$2],[],[$1],[$2])
 ])
 
-dnl PSI_FUNC_LIBC_MAIN()
-dnl Check for the platforms default stub in executables.
-AC_DEFUN(PSI_FUNC_LIBC_MAIN, [
-       AC_REQUIRE([AC_PROG_AWK])
-       AC_CACHE_CHECK(for libc start main symbol, psi_cv_libc_main, [
-               psi_libc_main=
-               AC_TRY_LINK(PSI_INCLUDES, [(void)0;], [
-                       psi_libc_main=`nm -g conftest$ac_exeext | $AWK -F ' *|@' '/^@<:@@<:@:space:@:>@@:>@+U / {print$[]3; exit}'`
-               ])
-               psi_cv_libc_main=$psi_libc_main
-       ])
-])
-
 dnl PSI_DECL_ARGS(decl func, decl args, options)
 dnl INTERNAL: build psi_decl_args
 AC_DEFUN(PSI_DECL_ARGS, [
@@ -69,8 +56,6 @@ dnl Check for a function or macro declaration and a possible asm redirection.
 dnl Adds a pre-defined (vararg) decl to $PSI_VA_DECLS_H/$PSI_DECLS_H.
 dnl Calls PSI_MACRO if PSI_FUNC fails.
 AC_DEFUN(PSI_DECL, [
-       AC_REQUIRE([PSI_FUNC_LIBC_MAIN])dnl
-
        PSI_DECL_ARGS($1, $2, $3)
 
        psi_symbol="PSI_VAR_NAME($1)"