SDL_image: libtool.m4: Use echo in archive_cmds and archive_expsym_cmds on OS/2

SDL Commits
1 
From 5662a12fcfcccc11a9def248b206dcbf8e11c6db Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Tue, 17 Mar 2026 04:55:10 +0300
Subject: [PATCH] libtool.m4: Use echo in archive_cmds and archive_expsym_cmds
 on OS/2

Fixes that building DLLs fails because $ECHO does not work when it's
set to "printf %s\n".
From https://github.com/komh/libtool-os2
---
 acinclude/libtool.m4 | 48 ++++++++++++++++++++++----------------------
 configure            | 32 ++++++++++++++---------------
 2 files changed, 40 insertions(+), 40 deletions(-)

diff --git a/acinclude/libtool.m4 b/acinclude/libtool.m4
index a6ba8fe0..0b6eab8b 100644
--- a/acinclude/libtool.m4
+++ b/acinclude/libtool.m4
@@ -4413,17 +4413,17 @@ _LT_EOF
       _LT_TAGVAR(hardcode_minus_L, $1)=yes
       _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
       shrext_cmds=".dll"
-      _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED">> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
+      _LT_TAGVAR(archive_cmds, $1)='echo "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	echo "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	echo EXPORTS >> $output_objdir/$libname.def~
 	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
 	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
 	emximp -o $lib $output_objdir/$libname.def'
-      _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED">> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
+      _LT_TAGVAR(archive_expsym_cmds, $1)='echo "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	echo "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	echo EXPORTS >> $output_objdir/$libname.def~
 	prefix_cmds="$SED"~
 	if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
 	  prefix_cmds="$prefix_cmds -e 1d";
@@ -4993,17 +4993,17 @@ _LT_EOF
       _LT_TAGVAR(hardcode_minus_L, $1)=yes
       _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
       shrext_cmds=".dll"
-      _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED">> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
+      _LT_TAGVAR(archive_cmds, $1)='echo "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	echo "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	echo EXPORTS >> $output_objdir/$libname.def~
 	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
 	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
 	emximp -o $lib $output_objdir/$libname.def'
-      _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED">> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
+      _LT_TAGVAR(archive_expsym_cmds, $1)='echo "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	echo "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	echo EXPORTS >> $output_objdir/$libname.def~
 	prefix_cmds="$SED"~
 	if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
 	  prefix_cmds="$prefix_cmds -e 1d";
@@ -5771,17 +5771,17 @@ if test "$_lt_caught_CXX_error" != yes; then
 	_LT_TAGVAR(hardcode_minus_L, $1)=yes
 	_LT_TAGVAR(allow_undefined_flag, $1)=unsupported
 	shrext_cmds=".dll"
-	_LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	  $ECHO "DATA MULTIPLE NONSHARED">> $output_objdir/$libname.def~
-	  $ECHO EXPORTS >> $output_objdir/$libname.def~
+	_LT_TAGVAR(archive_cmds, $1)='echo "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	  echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	  echo "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	  echo EXPORTS >> $output_objdir/$libname.def~
 	  emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
 	  $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
 	  emximp -o $lib $output_objdir/$libname.def'
-	_LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	  $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	  $ECHO "DATA MULTIPLE NONSHARED">> $output_objdir/$libname.def~
-	  $ECHO EXPORTS >> $output_objdir/$libname.def~
+	_LT_TAGVAR(archive_expsym_cmds, $1)='echo "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	  echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	  echo "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	  echo EXPORTS >> $output_objdir/$libname.def~
 	  prefix_cmds="$SED"~
 	  if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
 	    prefix_cmds="$prefix_cmds -e 1d";
diff --git a/configure b/configure
index a0685e8b..1c1ee613 100755
--- a/configure
+++ b/configure
@@ -8430,17 +8430,17 @@ _LT_EOF
       hardcode_minus_L=yes
       allow_undefined_flag=unsupported
       shrext_cmds=".dll"
-      archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED">> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
+      archive_cmds='echo "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	echo "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	echo EXPORTS >> $output_objdir/$libname.def~
 	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
 	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
 	emximp -o $lib $output_objdir/$libname.def'
-      archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED">> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
+      archive_expsym_cmds='echo "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	echo "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	echo EXPORTS >> $output_objdir/$libname.def~
 	prefix_cmds="$SED"~
 	if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
 	  prefix_cmds="$prefix_cmds -e 1d";
@@ -9093,17 +9093,17 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
       hardcode_minus_L=yes
       allow_undefined_flag=unsupported
       shrext_cmds=".dll"
-      archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED">> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
+      archive_cmds='echo "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	echo "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	echo EXPORTS >> $output_objdir/$libname.def~
 	emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
 	$CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
 	emximp -o $lib $output_objdir/$libname.def'
-      archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
-	$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
-	$ECHO "DATA MULTIPLE NONSHARED">> $output_objdir/$libname.def~
-	$ECHO EXPORTS >> $output_objdir/$libname.def~
+      archive_expsym_cmds='echo "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+	echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+	echo "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+	echo EXPORTS >> $output_objdir/$libname.def~
 	prefix_cmds="$SED"~
 	if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
 	  prefix_cmds="$prefix_cmds -e 1d";