[PATCH v2] Fix install-strip for cross-compilation

[Hannes Domani via gdb-patches]

The variable INSTALL_PROGRAM_ENV sets up STRIPPROG for the cross-compiler.

If this is not done, the host 'strip' is used, and fails:

/bin/sh /c/src/repos/binutils-gdb.git/install-sh -c -s gdb.exe \
  /gdb/gdb64-git/bin/$transformed_name.exe
strip.exe:C:/gdb/gdb64-git/bin/_inst.33599_: file format not recognized

With this change, it's fine:

STRIPPROG='x86_64-w64-mingw32-strip' \
  /bin/sh /c/src/repos/binutils-gdb.git/install-sh -c -s gdb.exe \
  /gdb/gdb64-git/bin/$transformed_name.exe

gdb/ChangeLog:

2019-12-30  Hannes Domani  <ssbssa@yahoo.de>

	* Makefile.in: Use INSTALL_PROGRAM_ENV.

gdb/gdbserver/ChangeLog:

2019-12-30  Hannes Domani  <ssbssa@yahoo.de>

	* Makefile.in: Use INSTALL_PROGRAM_ENV.
---
 gdb/Makefile.in           | 4 ++--
 gdb/gdbserver/Makefile.in | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index fa5c820b91..4a7ff6a454 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -1779,7 +1779,7 @@ install-only: $(CONFIG_INSTALL)
 		  true ; \
 		fi ; \
 		$(SHELL) $(srcdir)/../mkinstalldirs $(DESTDIR)$(bindir) ; \
-		$(INSTALL_PROGRAM) gdb$(EXEEXT) \
+		$(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) gdb$(EXEEXT) \
 			$(DESTDIR)$(bindir)/$$transformed_name$(EXEEXT) ; \
 		$(SHELL) $(srcdir)/../mkinstalldirs $(DESTDIR)$(includedir)/gdb ; \
 		$(INSTALL_DATA) jit-reader.h $(DESTDIR)$(includedir)/gdb/jit-reader.h
@@ -2517,7 +2517,7 @@ install-gdbtk:
 	  true ; \
 	fi ; \
 	$(SHELL) $(srcdir)/../mkinstalldirs $(DESTDIR)$(bindir); \
-	$(INSTALL_PROGRAM) insight$(EXEEXT) \
+	$(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) insight$(EXEEXT) \
 		$(DESTDIR)$(bindir)/$$transformed_name$(EXEEXT) ; \
 	$(SHELL) $(srcdir)/../mkinstalldirs \
 		$(DESTDIR)$(GDBTK_LIBRARY) ; \
diff --git a/gdb/gdbserver/Makefile.in b/gdb/gdbserver/Makefile.in
index 9e8c213472..bcbcf94c51 100644
--- a/gdb/gdbserver/Makefile.in
+++ b/gdb/gdbserver/Makefile.in
@@ -381,10 +381,10 @@ install-only:
 	if [ x$$n = x ]; then n=gdbserver; else true; fi; \
 	if [ x"$(IPA_DEPFILES)" != x ]; then \
 		$(SHELL) $(srcdir)/../../mkinstalldirs $(DESTDIR)$(libdir); \
-		$(INSTALL_PROGRAM) $(IPA_LIB) $(DESTDIR)$(libdir)/$(IPA_LIB); \
+		$(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) $(IPA_LIB) $(DESTDIR)$(libdir)/$(IPA_LIB); \
 	fi; \
 	$(SHELL) $(srcdir)/../../mkinstalldirs $(DESTDIR)$(bindir); \
-	$(INSTALL_PROGRAM) gdbserver$(EXEEXT) $(DESTDIR)$(bindir)/$$n$(EXEEXT)
+	$(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) gdbserver$(EXEEXT) $(DESTDIR)$(bindir)/$$n$(EXEEXT)
 	# Note that we run install and not install-only, as the latter
 	# is not part of GNU standards and in particular not provided
 	# in libiberty.
-- 
2.24.1