On Thu, May 24, 2018 at 01:32:17PM -0600, Jeff Law wrote:
> On 05/24/2018 01:17 PM, co...@sdf.org wrote:
> > On Thu, May 24, 2018 at 12:48:22PM -0600, Jeff Law wrote:
> >> On 05/24/2018 07:54 AM, Maya Rashish wrote:
> >>> Move linux-specific specfile definitions to linux.h
> >>> gcc/config/alpha/linux.h (STARTFILE_SPEC, ENDFILE_SPEC) move from
> >>> alpha/elf.h
> >>> ---
> >>> gcc/config/alpha/elf.h | 26 --------------------------
> >>> gcc/config/alpha/linux.h | 26 ++++++++++++++++++++++++++
> >>> 2 files changed, 26 insertions(+), 26 deletions(-)
> >> So is there going to be some kind of follow-up to fix freebsd, netbsd
> >> and openbsd which currently get their STARTFILE/ENDFILE from elf.h?
> >>
> >> jeff
> >
> > I can try to fix openbsd soon, but freebsd dropped alpha in 2009.
> > How does gcc feel about me picking up patches from openbsd ports, their
> > package manager, that weren't written by myself?
> So ISTM we should deprecate freebsd alpha.
>
> WRT picking up bits from others. It'd really depend on their size and
> complexity -- I'd have to see them to be able to judge. I'll review if
> you extract the necessary bits and submit them.
>
> Jeff
- With the original patch
- Attached patch to update the specfile for openbsd from openbsd ports
(It is here:
https://github.com/openbsd/ports/blob/master/lang/gcc/6/patches/patch-gcc_config_alpha_openbsd_h
)
- Attached patch to recognise cross compilation for openbsd (from me)
- A violent hack of "borrowing" stdatomic.h from a newer GCC
- Disabling libssp
I can build trunk for openbsd--alpha.
>From 1387836d5af4150ea08b888a202f72c08909a32f Mon Sep 17 00:00:00 2001
From: Maya Rashish <co...@sdf.org>
Date: Fri, 25 May 2018 01:26:01 +0300
Subject: [PATCH 1/2] Recognise cross compilation for openbsd
---
libstdc++-v3/configure | 2 +-
libstdc++-v3/crossconfig.m4 | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 79eb18727ea..cb51a01feeb 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -66148,7 +66148,7 @@ fi
done
;;
- *-netbsd*)
+ *-netbsd* | *-openbsd*)
SECTION_FLAGS='-ffunction-sections -fdata-sections'
diff --git a/libstdc++-v3/crossconfig.m4 b/libstdc++-v3/crossconfig.m4
index 669d87f7602..0dbfe4057bd 100644
--- a/libstdc++-v3/crossconfig.m4
+++ b/libstdc++-v3/crossconfig.m4
@@ -201,7 +201,7 @@ case "${host}" in
AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
AC_CHECK_FUNCS(_wfopen)
;;
- *-netbsd*)
+ *-netbsd* | *-openbsd*)
SECTION_FLAGS='-ffunction-sections -fdata-sections'
AC_SUBST(SECTION_FLAGS)
GLIBCXX_CHECK_LINKER_FEATURES
--
2.17.0
>From 164a025328b007fb73ccd4491bc7d6fc70b88f0d Mon Sep 17 00:00:00 2001
From: Maya Rashish <co...@sdf.org>
Date: Fri, 25 May 2018 01:26:16 +0300
Subject: [PATCH 2/2] Update openbsd/alpha specfile.
Taken from OpenBSD ports
---
gcc/config/alpha/openbsd.h | 33 ++++++++++++++++++++++++++++++++-
1 file changed, 32 insertions(+), 1 deletion(-)
diff --git a/gcc/config/alpha/openbsd.h b/gcc/config/alpha/openbsd.h
index aa369d7630a..9f035150d8b 100644
--- a/gcc/config/alpha/openbsd.h
+++ b/gcc/config/alpha/openbsd.h
@@ -19,6 +19,28 @@ along with GCC; see the file COPYING3. If not see
/* Controlling the compilation driver. */
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT \
+ (MASK_FPREGS | MASK_IEEE | MASK_IEEE_CONFORMANT)
+
+ #define LINK_SPEC \
+ "%{!shared:%{!nostdlib:%{!r*:%{!e*:-e __start}}}} \
+ %{shared:-shared} %{R*} \
+ %{static:-Bstatic} \
+ %{!static:-Bdynamic} \
+ %{rdynamic:-export-dynamic} \
+ %{assert*} \
+ %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so}"
+
+/* As an elf system, we need crtbegin/crtend stuff. */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "\
+ %{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} \
+ %{!p:%{!static:crt0%O%s} %{static:%{nopie:crt0%O%s} \
+ %{!nopie:rcrt0%O%s}}}} crtbegin%O%s} %{shared:crtbeginS%O%s}"
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
+
/* run-time target specifications */
#define TARGET_OS_CPP_BUILTINS() \
do { \
@@ -28,18 +50,27 @@ along with GCC; see the file COPYING3. If not see
/* Layout of source language data types. */
-/* This must agree with <machine/ansi.h> */
+/* This must agree with <machine/_types.h> */
#undef SIZE_TYPE
#define SIZE_TYPE "long unsigned int"
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "long int"
+#undef INTMAX_TYPE
+#define INTMAX_TYPE "long long int"
+
+#undef UINTMAX_TYPE
+#define UINTMAX_TYPE "long long unsigned int"
+
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
+#undef WINT_TYPE
+#define WINT_TYPE "int"
+
#define LOCAL_LABEL_PREFIX "."
--
2.17.0
