From d9daa262a422d9c1234f342403f988ce9d583ef3954313ae2994ce720dfab269 Mon Sep 17 00:00:00 2001
From: Michael Matz <matz@suse.com>
Date: Tue, 10 Sep 2019 15:34:12 +0000
Subject: [PATCH] Accepting request 726802 from
 home:tomdevries:branches:devel:gcc-librpm

- Enable librpm for version > librpm.so.3 [bsc#1145692]:
  * Allow any librpm.so.x
  * Fix unused variables in HAVE_LIBRPM code in
    gdb-6.6-buildid-locate-rpm-suse.patch
  * Add %build test to check for "zypper install <rpm-packagename>"
    message

OBS-URL: https://build.opensuse.org/request/show/726802
OBS-URL: https://build.opensuse.org/package/show/devel:gcc/gdb?expand=0&rev=221
---
 gdb-6.6-buildid-locate-rpm-suse.patch | 16 +++++
 gdb.changes                           | 10 +++
 gdb.spec                              | 89 ++++++++++++++++++++++++---
 3 files changed, 106 insertions(+), 9 deletions(-)

diff --git a/gdb-6.6-buildid-locate-rpm-suse.patch b/gdb-6.6-buildid-locate-rpm-suse.patch
index 0644e5c..b92b444 100644
--- a/gdb-6.6-buildid-locate-rpm-suse.patch
+++ b/gdb-6.6-buildid-locate-rpm-suse.patch
@@ -110,3 +110,19 @@ Index: gdb-7.12.1/gdb/build-id.c
        }
  }
  
+diff --git a/gdb/build-id.c b/gdb/build-id.c
+index b9ff15a..75d501a 100644
+--- a/gdb/build-id.c
++++ b/gdb/build-id.c
+@@ -864,10 +864,8 @@ missing_rpm_enlist_1 (const char *filename, int verify_vendor)
+ #endif
+ 	{
+ 	  Header h;
+-	  char *debuginfo, **slot, *s, *s2;
++	  char *debuginfo, **slot;
+ 	  errmsg_t err;
+-	  size_t srcrpmlen = sizeof (".src.rpm") - 1;
+-	  size_t debuginfolen = sizeof ("-debuginfo") - 1;
+ 	  rpmdbMatchIterator mi_debuginfo;
+ 
+ 	  h = rpmdbNextIterator_p (mi);
diff --git a/gdb.changes b/gdb.changes
index 0497807..2ce71b8 100644
--- a/gdb.changes
+++ b/gdb.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Fri Aug 23 16:00:18 UTC 2019 - Tom de Vries <tdevries@suse.com>
+
+- Enable librpm for version > librpm.so.3 [bsc#1145692]:
+  * Allow any librpm.so.x
+  * Fix unused variables in HAVE_LIBRPM code in
+    gdb-6.6-buildid-locate-rpm-suse.patch
+  * Add %build test to check for "zypper install <rpm-packagename>"
+    message
+
 -------------------------------------------------------------------
 Tue Aug  6 21:36:49 UTC 2019 - Tom de Vries <tdevries@suse.de>
 
diff --git a/gdb.spec b/gdb.spec
index 2edf979..a568207 100644
--- a/gdb.spec
+++ b/gdb.spec
@@ -18,6 +18,7 @@
 
 
 %if 0%{?qemu_user_space_build}
+# In a qemu_user_space_build ptrace is not supported, so we can't test gdb.
 %global _without_testsuite 1
 %endif
 %bcond_without testsuite
@@ -275,6 +276,7 @@ BuildRequires:  makeinfo
 %else
 BuildRequires:  texinfo
 %endif
+BuildRequires:  expect
 BuildRequires:  mpfr-devel
 BuildRequires:  ncurses-devel
 BuildRequires:  pkg-config
@@ -664,16 +666,17 @@ LDFLAGS="$LDFLAGS -L$PWD/processor-trace-%{libipt_version}-root%{_libdir}"
 
 export CXXFLAGS="$CFLAGS"
 
-export LIBRPM=no
-if test -f /usr/%{_lib}/librpm.so.1; then
-  export LIBRPM=librpm.so.1
-fi
-if test -f /usr/%{_lib}/librpm.so.2; then
-  export LIBRPM=librpm.so.2
-fi
-if test -f /usr/%{_lib}/librpm.so.3; then
-  export LIBRPM=librpm.so.3
+export LIBRPM=$(ls -1 /usr/%{_lib}/ \
+		    | grep '^librpm.so.[0-9][0-9]*$' \
+		    | sort -V -r \
+		    | head -n 1)
+if [ "$LIBRPM" != "" ]; then
+    export LIBRPM="/usr/%{_lib}/$LIBRPM"
+    [ -f "$LIBRPM" ]
+else
+    export LIBRPM=no
 fi
+
 %ifarch %ix86 ia64 ppc ppc64 ppc64le s390 s390x x86_64 aarch64 riscv64
 %define build_multitarget 1
 %else
@@ -814,6 +817,74 @@ then
   cd ..
 fi
 
+# This is a build-time test, but still a test.  So, skip if we don't do tests.
+# This is relevant for %qemu_user_space_build == 1 builds, which atm is
+# the case for riscv64.
+%if %{with testsuite}
+if [ "$LIBRPM" != "no" ]; then
+    cd gdb
+    cat \
+	> hello.c \
+	<<EOF
+#include <stdio.h>
+int
+main (void)
+{
+  printf ("hello\n");
+  return 0;
+}
+EOF
+    $CC hello.c
+    libc=$(ldd a.out \
+	       | grep libc.so \
+	       | awk '{print $3}')
+    if readelf -SW $libc \
+	    | grep -q "\.gnu_debuglink"; then
+	cat \
+	    > test.exp \
+	    <<EOF
+expect {
+  "(gdb) " {
+    puts "\nPASS: first prompt"
+    send "start\n"
+  }
+  default {
+    puts "\nFAIL: first prompt (eof or timeout)"
+    exit 1
+  }
+}
+expect {
+  -re {Missing separate debuginfos, use: zypper install glibc-debuginfo-.*\(gdb\) } {
+    puts "\nPASS: zypper install message"
+    send "quit\n"
+    exit 0
+  }
+  "(gdb) " {
+    puts "\nFAIL: zypper install message"
+    send "quit\n"
+    exit 1
+  }
+  default {
+    puts "\nFAIL: zypper install message (eof or timeout)"
+    exit 1
+  }
+}
+EOF
+	gdb="./gdb -q -nw -nx -data-directory $(pwd -P)/data-directory"
+        # Due to bsc#1146899 "gdb's zypper install message disappears with
+	# -batch", we need to use an expect test.
+	expect -c "spawn $gdb ./a.out" -f test.exp
+	rm ./test.exp
+    else
+	# If packages are not build with debuginfo, we cannot expect a zypper
+	# install message.
+	echo "UNSUPPORTED: zypper install message"
+    fi
+    rm ./hello.c ./a.out
+    cd ..
+fi
+%endif
+
 cd ..
 
 done	# fprofile