[PATCH 1/3] Fix error when cross-compiling for windows from unix-like OS

[Vladimir Serbinenko <phcoder@gmail.com>]

In this case exeext doesn't match the expected value by autoconf
and so tests fail as autoconf looks for compiled binaries under
wrong name.

Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
---
 configure.ac | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/configure.ac b/configure.ac
index 83e3ddf90..e9c6ad8cc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -575,12 +575,22 @@ tmp_CFLAGS="$CFLAGS"
 tmp_LDFLAGS="$LDFLAGS"
 tmp_CPPFLAGS="$CPPFLAGS"
 tmp_LIBS="$LIBS"
+tmp_EXEEXT="$EXEEXT"
+tmp_ac_exeext="$ac_exeext"
 CC="$TARGET_CC"
 CFLAGS="$TARGET_CFLAGS"
 CPPFLAGS="$TARGET_CPPFLAGS"
 LDFLAGS="$TARGET_LDFLAGS"
 LIBS=""
 
+case "$target_os" in
+  cygwin*|mingw32*|mingw64*)		TARGET_EXEEXT=.exe ;;
+  *)					TARGET_EXEEXT= ;;
+esac
+
+EXEEXT="$TARGET_EXEEXT"
+ac_exeext="$TARGET_EXEEXT"
+
 if test "x$target_m32" = x1; then
   # Force 32-bit mode.
   TARGET_CFLAGS="$TARGET_CFLAGS -m32"
@@ -1618,6 +1628,8 @@ CFLAGS="$tmp_CFLAGS"
 CPPFLAGS="$tmp_CPPFLAGS"
 LDFLAGS="$tmp_LDFLAGS"
 LIBS="$tmp_LIBS"
+EXEEXT="$tmp_EXEEXT"
+ac_exeext="$tmp_ac_exeext"
 
 #
 # Check for options.
-- 
2.49.0


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