From f52976f433cad0f1e2841a2e162b8fcb63c6bace Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Tue, 26 Mar 2024 23:35:41 +0000
Subject: slibtool.m4: do not search for compiler programs not explicitly
 needed.

---
 m4/slibtool.m4 | 43 +++++++++++++++++++++----------------------
 1 file changed, 21 insertions(+), 22 deletions(-)

diff --git a/m4/slibtool.m4 b/m4/slibtool.m4
index aeec7ec..4baab5c 100644
--- a/m4/slibtool.m4
+++ b/m4/slibtool.m4
@@ -447,6 +447,27 @@ m4_define([SLIBTOOL_INIT])
 # -------------------------
 AC_DEFUN([SLIBTOOL_LANG],[
 AC_REQUIRE([SLIBTOOL_PREREQ])
+
+# slibtool: SLIBTOOL_LANG(C)
+m4_if([$1],[C],[
+AC_PROG_CC
+AC_PROG_CPP
+])
+
+
+m4_if([$1],[C++],[
+# slibtool: SLIBTOOL_LANG(C++)
+AC_PROG_CC
+AC_PROG_CPP
+AC_PROG_CXX
+AC_PROG_CXXCPP
+])
+
+m4_if([$1],[Fortran 77],[
+# slibtool: SLIBTOOL_LANG(Fortran 77)
+AC_PROG_FC
+AC_PROG_F77
+])
 ])
 
 
@@ -459,12 +480,6 @@ AC_REQUIRE([AC_PROG_CPP])
 AC_REQUIRE([AC_PROG_CXX])
 AC_REQUIRE([AC_PROG_CXXCPP])
 
-AC_REQUIRE([AC_PROG_OBJC])
-AC_REQUIRE([AC_PROG_OBJCPP])
-
-AC_REQUIRE([AC_PROG_FC])
-AC_REQUIRE([AC_PROG_F77])
-
 AC_REQUIRE([AC_PROG_AWK])
 AC_REQUIRE([AC_PROG_LEX])
 AC_REQUIRE([AC_PROG_SED])
@@ -477,22 +492,6 @@ AC_REQUIRE([AC_PROG_RANLIB])
 AC_REQUIRE([AC_PROG_LN_S])
 AC_REQUIRE([AC_PROG_MKDIR_P])
 
-m4_ifndef([AC_PROG_OBJCXX],     [AC_DEFUN([AC_PROG_OBJCXX],[AC_SUBST([OBJCXX])])])
-m4_ifndef([AC_PROG_OBJCXXCPP],  [AC_DEFUN([AC_PROG_OBJCXXCPP],[AC_SUBST([OBJCXXCPP])])])
-
-AC_PROG_CC
-AC_PROG_CPP
-AC_PROG_CXX
-AC_PROG_CXXCPP
-
-AC_PROG_OBJC
-AC_PROG_OBJCPP
-AC_PROG_OBJCXX
-AC_PROG_OBJCXXCPP
-
-AC_PROG_FC
-AC_PROG_F77
-
 AC_PROG_AWK
 AC_PROG_LEX
 AC_PROG_SED
-- 
cgit v1.2.3