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authorH.J. Lu <hjl.tools@gmail.com>2020-07-28 06:59:20 -0700
committerH.J. Lu <hjl.tools@gmail.com>2020-07-28 06:59:30 -0700
commit377170fa319d39d5442b674fc978adc8f24db5e9 (patch)
treee89927bdb3250038a3eb7abce9d586e57acfba92
parent866b34a12df543caae10dd5a8de988e40ee012cd (diff)
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PKG_CHECK_MODULES: Properly check if $pkg_cv_[]$1[]_LIBS works
There is no need to check $pkg_cv_[]$1[]_LIBS works if package check failed. config/ PR binutils/26301 * pkg.m4 (PKG_CHECK_MODULES): Use AC_TRY_LINK only if $pkg_failed = no. binutils/ PR binutils/26301 * configure: Regenerated. gdb/ PR binutils/26301 * configure: Regenerated.
-rw-r--r--binutils/ChangeLog5
-rwxr-xr-xbinutils/configure14
-rw-r--r--config/ChangeLog6
-rw-r--r--config/pkg.m410
-rw-r--r--gdb/ChangeLog5
-rwxr-xr-xgdb/configure14
6 files changed, 38 insertions, 16 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 2c76b2a..5d32d26 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -3,6 +3,11 @@
PR binutils/26301
* configure: Regenerated.
+2020-07-28 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR binutils/26301
+ * configure: Regenerated.
+
2020-07-27 Alan Modra <amodra@gmail.com>
* objdump.c (dump_section): Don't return without calling
diff --git a/binutils/configure b/binutils/configure
index 4620a6b..18316b7 100755
--- a/binutils/configure
+++ b/binutils/configure
@@ -12439,27 +12439,29 @@ fi
pkg_failed=untried
fi
-pkg_save_LDFLAGS="$LDFLAGS"
-LDFLAGS="$LDFLAGS $pkg_cv_DEBUGINFOD_LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+if test $pkg_failed = no; then
+ pkg_save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $pkg_cv_DEBUGINFOD_LIBS"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
-return 0;
+
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
- pkg_failed=no
+
else
pkg_failed=yes
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
-LDFLAGS=$pkg_save_LDFLAGS
+ LDFLAGS=$pkg_save_LDFLAGS
+fi
diff --git a/config/ChangeLog b/config/ChangeLog
index 2cd6177..f93d86a 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,6 +1,12 @@
2020-07-28 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/26301
+ * pkg.m4 (PKG_CHECK_MODULES): Use AC_TRY_LINK only if
+ $pkg_failed = no.
+
+2020-07-28 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR binutils/26301
* pkg.m4 (PKG_CHECK_MODULES): Add AC_TRY_LINK to check if
$pkg_cv_[]$1[]_LIBS works.
diff --git a/config/pkg.m4 b/config/pkg.m4
index 45587e9..7ebf517 100644
--- a/config/pkg.m4
+++ b/config/pkg.m4
@@ -148,10 +148,12 @@ _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
_PKG_CONFIG([$1][_LIBS], [libs], [$2])
dnl Check whether $pkg_cv_[]$1[]_LIBS works.
-pkg_save_LDFLAGS="$LDFLAGS"
-LDFLAGS="$LDFLAGS $pkg_cv_[]$1[]_LIBS"
-AC_TRY_LINK([],[return 0;], [pkg_failed=no], [pkg_failed=yes])
-LDFLAGS=$pkg_save_LDFLAGS
+if test $pkg_failed = no; then
+ pkg_save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $pkg_cv_[]$1[]_LIBS"
+ AC_TRY_LINK([],[], [], [pkg_failed=yes])
+ LDFLAGS=$pkg_save_LDFLAGS
+fi
m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
and $1[]_LIBS to avoid the need to call pkg-config.
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index defca83..96ffac9 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -3,6 +3,11 @@
PR binutils/26301
* configure: Regenerated.
+2020-07-28 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR binutils/26301
+ * configure: Regenerated.
+
2020-07-28 Andrew Burgess <andrew.burgess@embecosm.com>
* python/py-frame.c: Remove 'user-regs.h' include.
diff --git a/gdb/configure b/gdb/configure
index eb38aaa..5ef85e8 100755
--- a/gdb/configure
+++ b/gdb/configure
@@ -7037,27 +7037,29 @@ fi
pkg_failed=untried
fi
-pkg_save_LDFLAGS="$LDFLAGS"
-LDFLAGS="$LDFLAGS $pkg_cv_DEBUGINFOD_LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+if test $pkg_failed = no; then
+ pkg_save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $pkg_cv_DEBUGINFOD_LIBS"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
-return 0;
+
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
- pkg_failed=no
+
else
pkg_failed=yes
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
-LDFLAGS=$pkg_save_LDFLAGS
+ LDFLAGS=$pkg_save_LDFLAGS
+fi