[gcc r14-2132] ada: Fix build of GNAT tools

[Marc Poulhi?s <dkm@gcc.gnu.org>]

https://gcc.gnu.org/g:4a48a38fa99f067b8f3a3d1a5dc7a1e602db351f

commit r14-2132-g4a48a38fa99f067b8f3a3d1a5dc7a1e602db351f
Author: Eric Botcazou <ebotcazou@adacore.com>
Date:   Wed Jun 21 18:19:36 2023 +0200

    ada: Fix build of GNAT tools
    
    gcc/ada/
    
            * gcc-interface/Makefile.in (LIBIBERTY): Fix condition.
            (TOOLS_LIBS): Add @LD_PICFLAG@.

Diff:
---
 gcc/ada/gcc-interface/Makefile.in | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/gcc/ada/gcc-interface/Makefile.in b/gcc/ada/gcc-interface/Makefile.in
index dc0e54f8eb6..b5243a24a8f 100644
--- a/gcc/ada/gcc-interface/Makefile.in
+++ b/gcc/ada/gcc-interface/Makefile.in
@@ -240,10 +240,10 @@ ALL_CPPFLAGS = $(CPPFLAGS)
 ALL_COMPILERFLAGS = $(ALL_CFLAGS)
 
 # This is where we get libiberty.a from.
-ifeq ($(PICFLAG),)
-LIBIBERTY = ../../libiberty/libiberty.a
-else
+ifneq ($(findstring $(PICFLAG),-fPIC -fPIE),)
 LIBIBERTY = ../../libiberty/pic/libiberty.a
+else
+LIBIBERTY = ../../libiberty/libiberty.a
 endif
 
 # We need to link against libbacktrace because diagnostic.c in
@@ -261,6 +261,9 @@ TOOLS_LIBS = ../version.o ../link.o ../targext.o ../../ggc-none.o \
   $(LIBGNAT) $(LIBINTL) $(LIBICONV) ../$(LIBBACKTRACE) ../$(LIBIBERTY) \
   $(SYSLIBS) $(TGT_LIB)
 
+# Add -no-pie to TOOLS_LIBS since some of them are compiled with -fno-PIE.
+TOOLS_LIBS += @LD_PICFLAG@
+
 # Specify the directories to be searched for header files.
 # Both . and srcdir are used, in that order,
 # so that tm.h and config.h will be found in the compilation