Michael Schröder
476eac8c55
OBS-URL: https://build.opensuse.org/package/show/Base:System/rpm?expand=0&rev=275
77 lines
2.0 KiB
Diff
77 lines
2.0 KiB
Diff
commit 60835b20180c1be351ff95fa8c8d930afada0e4c
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Author: Kirill A. Shutemov <kirill@shutemov.name>
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Date: Mon Jul 1 03:25:32 2013 +0300
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Use getauxval(3) to read auxv data
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glibc >= 2.16 provides getauxval(): a reliable way to retrieve a value
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from the auxiliary vector. It doesn't rely on /proc filesystem.
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Let's switch to it and get rid of /proc dependency.
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Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
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Signed-off-by: Panu Matilainen <pmatilai@redhat.com>
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--- configure.ac.orig 2013-07-12 12:25:38.000000000 +0000
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+++ configure.ac 2013-07-12 12:35:18.000000000 +0000
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@@ -518,6 +518,7 @@ dnl Checks for library functions.
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AC_CHECK_FUNCS(putenv)
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AC_CHECK_FUNCS(mempcpy)
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AC_CHECK_FUNCS(fdatasync)
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+AC_CHECK_FUNCS(getauxval)
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AC_REPLACE_FUNCS(stpcpy stpncpy)
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--- lib/rpmrc.c.orig 2013-07-12 12:25:38.000000000 +0000
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+++ lib/rpmrc.c 2013-07-12 12:34:34.000000000 +0000
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@@ -20,6 +20,10 @@
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#define __power_pc() 0
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#endif
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+#ifdef HAVE_GETAUXVAL
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+#include <sys/auxv.h>
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+#endif
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+
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#include <rpm/rpmlib.h> /* RPM_MACTABLE*, Rc-prototypes */
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#include <rpm/rpmmacro.h>
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#include <rpm/rpmfileutil.h>
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@@ -922,13 +926,19 @@ static int is_geode(void)
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#if defined(__linux__) && defined(__powerpc__)
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/**
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- * Populate rpmat structure with parsed info from /proc/self/auxv
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+ * Populate rpmat structure with auxv values
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*/
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-static void parse_auxv(void)
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+static void read_auxv(void)
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{
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static int oneshot = 1;
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if (oneshot) {
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+#ifdef HAVE_GETAUXVAL
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+ rpmat.platform = (char *) getauxval(AT_PLATFORM);
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+ if (!rpmat.platform)
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+ rpmat.platform = "";
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+ rpmat.hwcap = getauxval(AT_HWCAP);
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+#else
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rpmat.platform = "";
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int fd = open("/proc/self/auxv", O_RDONLY);
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@@ -953,6 +963,7 @@ static void parse_auxv(void)
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}
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close(fd);
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}
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+#endif
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oneshot = 0; /* only try once even if it fails */
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}
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return;
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@@ -972,7 +983,7 @@ static void defaultMachine(const char **
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#if defined(__linux__) && defined(__powerpc__)
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/* Populate rpmat struct with hw info */
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- parse_auxv();
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+ read_auxv();
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#endif
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while (!gotDefaults) {
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