From: Jeff Johnston <jjohnstn@redhat.com>
To: Jeff Law <jeffreyalaw@gmail.com>
Cc: Richard Earnshaw <Richard.Earnshaw@foss.arm.com>,
Mike Frysinger <vapier@gentoo.org>,
newlib@sourceware.org
Subject: Re: Various libgloss problems after recent changes
Date: Wed, 22 Feb 2023 11:20:58 -0500 [thread overview]
Message-ID: <CAOox84si8KNJQYC8s0iR40FAgufLxCa5iBqj5XXJN2Ek-jTH6g@mail.gmail.com> (raw)
In-Reply-To: <c09d69c1-e6ba-5453-5576-bf794090da96@gmail.com>
[-- Attachment #1.1: Type: text/plain, Size: 886 bytes --]
Yes, I found that and fixed it in the patch I attached. Are you saying
that patch didn't work as well?
I did forget to add the new arm.mh file I created but I have done so
locally and have reposted the patch here.
-- Jeff J.
On Wed, Feb 22, 2023 at 2:16 AM Jeff Law <jeffreyalaw@gmail.com> wrote:
>
>
> On 2/21/23 14:39, Jeff Johnston wrote:
> > Hi Jeff,
> >
> > Any progress on figuring out why -idirafter is being flagged for the
> > fr30-elf build? I have reformulated a patch to conditionally specify
> > the top-level include directory only for arm configurations. If the
> > build error is unavoidable for the time-being and you want to try the
> > patch, it is attached.
> Funny, I'd been poking at it a bit this morning, too much red on the
> dashboard.
>
> I think the reason your patch didn't work is libgloss/config/default.mh
> also injects an idirafter.
>
> jeff
>
>
[-- Attachment #2: 0001-Fix-libgloss-newlib-build-to-conditionally-use-top-i.patch --]
[-- Type: text/x-patch, Size: 8074 bytes --]
From 3fa9dd00af9a0961d03cfead51008f71a1d16b46 Mon Sep 17 00:00:00 2001
From: Jeff Johnston <jjohnstn@redhat.com>
Date: Thu, 9 Feb 2023 16:59:31 -0500
Subject: [PATCH] Fix libgloss/newlib build to conditionally use top include
dir
- conditionally use -idirafter option for arm
---
libgloss/Makefile.am | 4 ++++
libgloss/Makefile.in | 3 ++-
libgloss/config/arm.mh | 34 ++++++++++++++++++++++++++++++++++
libgloss/config/default.mh | 2 +-
libgloss/configure | 16 ++++++++++++++++
libgloss/configure.ac | 4 ++++
newlib/Makefile.am | 4 ++++
newlib/Makefile.in | 3 ++-
8 files changed, 67 insertions(+), 3 deletions(-)
create mode 100644 libgloss/config/arm.mh
diff --git a/libgloss/Makefile.am b/libgloss/Makefile.am
index 4309cd3..d4b7d40 100644
--- a/libgloss/Makefile.am
+++ b/libgloss/Makefile.am
@@ -24,7 +24,11 @@ includetool_DATA =
includesystooldir = $(tooldir)/include/sys
includesystool_DATA =
+if NEED_TOP_INCLUDE_DIR
AM_CPPFLAGS = -idirafter $(srcroot)/include
+else
+AM_CPPFLAGS =
+endif
# A fake library so automake will generate rules for plain objects that we want
# to install (e.g. our crt0.o objects).
diff --git a/libgloss/Makefile.in b/libgloss/Makefile.in
index a117577..187d0ed 100644
--- a/libgloss/Makefile.in
+++ b/libgloss/Makefile.in
@@ -807,7 +807,8 @@ includetooldir = $(tooldir)/include
includetool_DATA = $(am__append_16)
includesystooldir = $(tooldir)/include/sys
includesystool_DATA = $(am__append_17)
-AM_CPPFLAGS = -idirafter $(srcroot)/include
+@NEED_TOP_INCLUDE_DIR_FALSE@AM_CPPFLAGS =
+@NEED_TOP_INCLUDE_DIR_TRUE@AM_CPPFLAGS = -idirafter $(srcroot)/include
# A fake library so automake will generate rules for plain objects that we want
# to install (e.g. our crt0.o objects).
diff --git a/libgloss/config/arm.mh b/libgloss/config/arm.mh
new file mode 100644
index 0000000..81f0920
--- /dev/null
+++ b/libgloss/config/arm.mh
@@ -0,0 +1,34 @@
+NEWLIB_CFLAGS = `if [ -d ${objroot}/newlib ]; then echo -I${objroot}/newlib/targ-include -I${srcroot}/newlib/libc/include; fi`
+NEWLIB_LDFLAGS = `if [ -d ${objroot}/newlib ]; then echo -B${objroot}/newlib/ -L${objroot}/newlib/; fi`
+
+INCLUDES = -I. -I$(srcdir)/.. -I$(objdir)/.. -idirafter $(srcroot)/include
+# Note that when building the library, ${MULTILIB} is not the way multilib
+# options are passed; they're passed in $(CFLAGS).
+CFLAGS_FOR_TARGET = -O2 -g ${MULTILIB} ${INCLUDES} ${NEWLIB_CFLAGS}
+LDFLAGS_FOR_TARGET = ${MULTILIB} ${NEWLIB_LDFLAGS}
+AR_FLAGS = rc
+
+.c.o:
+ $(CC) $(CFLAGS_FOR_TARGET) -O2 $(INCLUDES) -c $(CFLAGS) $<
+
+.C.o:
+ $(CC) $(CFLAGS_FOR_TARGET) -O2 $(INCLUDES) -c $(CFLAGS) $<
+.s.o:
+ $(AS) $(ASFLAGS_FOR_TARGET) $(INCLUDES) $(ASFLAGS) -o $*.o $<
+
+#
+# GCC knows to run the preprocessor on .S files before it assembles them.
+#
+.S.o:
+ $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) $(CFLAGS) -c $<
+
+#
+# this is a bogus target that'll produce an assembler from the
+# C source with the right compiler options. this is so we can
+# track down code generation or debug symbol bugs.
+#
+.c.s:
+ $(CC) $(CFLAGS_FOR_TARGET) -S $(INCLUDES) $(CFLAGS) $<
+
+# We don't build docs in subdirs, so stub out the rules.
+.PHONY: doc docs dvi html install-html info install-info clean-info pdf install-pdf
diff --git a/libgloss/config/default.mh b/libgloss/config/default.mh
index 81f0920..4e7f106 100644
--- a/libgloss/config/default.mh
+++ b/libgloss/config/default.mh
@@ -1,7 +1,7 @@
NEWLIB_CFLAGS = `if [ -d ${objroot}/newlib ]; then echo -I${objroot}/newlib/targ-include -I${srcroot}/newlib/libc/include; fi`
NEWLIB_LDFLAGS = `if [ -d ${objroot}/newlib ]; then echo -B${objroot}/newlib/ -L${objroot}/newlib/; fi`
-INCLUDES = -I. -I$(srcdir)/.. -I$(objdir)/.. -idirafter $(srcroot)/include
+INCLUDES = -I. -I$(srcdir)/.. -I$(objdir)/..
# Note that when building the library, ${MULTILIB} is not the way multilib
# options are passed; they're passed in $(CFLAGS).
CFLAGS_FOR_TARGET = -O2 -g ${MULTILIB} ${INCLUDES} ${NEWLIB_CFLAGS}
diff --git a/libgloss/configure b/libgloss/configure
index 28754b6..c076104 100755
--- a/libgloss/configure
+++ b/libgloss/configure
@@ -630,6 +630,8 @@ CPPFLAGS
LDFLAGS
CFLAGS
CC
+NEED_TOP_INCLUDE_DIR_FALSE
+NEED_TOP_INCLUDE_DIR_TRUE
CONFIG_WINCE_FALSE
CONFIG_WINCE_TRUE
CONFIG_RISCV_FALSE
@@ -2949,6 +2951,7 @@ case "${target}" in
;;
arm*-*-elf | arm*-*-coff | arm*-*-*)
config_arm=true
+ host_makefile_frag=${srcdir}/config/arm.mh
;;
spu-*-elf)
ac_config_files="$ac_config_files spu/Makefile"
@@ -3081,6 +3084,15 @@ fi
+ if test x$config_arm = xtrue; then
+ NEED_TOP_INCLUDE_DIR_TRUE=
+ NEED_TOP_INCLUDE_DIR_FALSE='#'
+else
+ NEED_TOP_INCLUDE_DIR_TRUE='#'
+ NEED_TOP_INCLUDE_DIR_FALSE=
+fi
+
+
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
@@ -5347,6 +5359,10 @@ if test -z "${CONFIG_WINCE_TRUE}" && test -z "${CONFIG_WINCE_FALSE}"; then
as_fn_error $? "conditional \"CONFIG_WINCE\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
+if test -z "${NEED_TOP_INCLUDE_DIR_TRUE}" && test -z "${NEED_TOP_INCLUDE_DIR_FALSE}"; then
+ as_fn_error $? "conditional \"NEED_TOP_INCLUDE_DIR\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
as_fn_error $? "conditional \"AMDEP\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
diff --git a/libgloss/configure.ac b/libgloss/configure.ac
index 5fb2684..a332193 100644
--- a/libgloss/configure.ac
+++ b/libgloss/configure.ac
@@ -214,6 +214,7 @@ case "${target}" in
;;
arm*-*-elf | arm*-*-coff | arm*-*-*)
config_arm=true
+ host_makefile_frag=${srcdir}/config/arm.mh
;;
spu-*-elf)
AC_CONFIG_FILES([spu/Makefile])
@@ -252,6 +253,9 @@ m4_foreach_w([SUBDIR], [
AM_CONDITIONAL([CONFIG_]m4_toupper(SUBDIR), [test x$config_]SUBDIR = xtrue)
])
+dnl arm platforms have a special header file found in the main include directory
+AM_CONDITIONAL([NEED_TOP_INCLUDE_DIR], [[test x$config_arm] = xtrue])
+
dnl For now, don't bother configuring testsuite
dnl
dnl if test "${config_testsuite}" = "true";
diff --git a/newlib/Makefile.am b/newlib/Makefile.am
index 3bebf27..a188845 100644
--- a/newlib/Makefile.am
+++ b/newlib/Makefile.am
@@ -70,7 +70,11 @@ toollibdir = $(tooldir)/lib$(MULTISUBDIR)
# These are useful for standalone object files like crt0.o.
AM_CFLAGS = $(AM_CFLAGS_$(subst /,_,$(@D))) $(AM_CFLAGS_$(subst /,_,$(@D)_$(<F)))
AM_CCASFLAGS = $(AM_CCASFLAGS_$(subst /,_,$(@D))) $(AM_CCASFLAGS_$(subst /,_,$(@D)_$(<F)))
+if HAVE_LIBC_MACHINE_ARM
AM_CPPFLAGS = $(NEWLIB_CFLAGS) $(TARGET_CFLAGS) $(AM_CPPFLAGS_$(subst /,_,$(@D))) $(AM_CPPFLAGS_$(subst /,_,$(@D)_$(<F))) -idirafter $(srcroot)/include
+else
+AM_CPPFLAGS = $(NEWLIB_CFLAGS) $(TARGET_CFLAGS) $(AM_CPPFLAGS_$(subst /,_,$(@D))) $(AM_CPPFLAGS_$(subst /,_,$(@D)_$(<F)))
+endif
toollib_LIBRARIES = libm.a \
libc.a
diff --git a/newlib/Makefile.in b/newlib/Makefile.in
index bc967bd..b168577 100644
--- a/newlib/Makefile.in
+++ b/newlib/Makefile.in
@@ -3848,7 +3848,8 @@ toollibdir = $(tooldir)/lib$(MULTISUBDIR)
# These are useful for standalone object files like crt0.o.
AM_CFLAGS = $(AM_CFLAGS_$(subst /,_,$(@D))) $(AM_CFLAGS_$(subst /,_,$(@D)_$(<F)))
AM_CCASFLAGS = $(AM_CCASFLAGS_$(subst /,_,$(@D))) $(AM_CCASFLAGS_$(subst /,_,$(@D)_$(<F)))
-AM_CPPFLAGS = $(NEWLIB_CFLAGS) $(TARGET_CFLAGS) $(AM_CPPFLAGS_$(subst /,_,$(@D))) $(AM_CPPFLAGS_$(subst /,_,$(@D)_$(<F))) -idirafter $(srcroot)/include
+@HAVE_LIBC_MACHINE_ARM_FALSE@AM_CPPFLAGS = $(NEWLIB_CFLAGS) $(TARGET_CFLAGS) $(AM_CPPFLAGS_$(subst /,_,$(@D))) $(AM_CPPFLAGS_$(subst /,_,$(@D)_$(<F)))
+@HAVE_LIBC_MACHINE_ARM_TRUE@AM_CPPFLAGS = $(NEWLIB_CFLAGS) $(TARGET_CFLAGS) $(AM_CPPFLAGS_$(subst /,_,$(@D))) $(AM_CPPFLAGS_$(subst /,_,$(@D)_$(<F))) -idirafter $(srcroot)/include
toollib_LIBRARIES = libm.a libc.a $(am__append_72)
@HAVE_MULTISUBDIR_TRUE@BUILD_MULTISUBDIR = $(builddir)$(MULTISUBDIR)
toollib_DATA = $(CRT0) $(CRT1)
--
1.8.3.1
next prev parent reply other threads:[~2023-02-22 16:21 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-06 0:48 Jeff Law
2023-02-09 22:54 ` Jeff Johnston
2023-02-10 11:21 ` Richard Earnshaw
2023-02-10 16:54 ` Jeff Law
2023-02-21 21:39 ` Jeff Johnston
2023-02-22 7:16 ` Jeff Law
2023-02-22 16:20 ` Jeff Johnston [this message]
2023-02-22 16:40 ` Jeff Law
2023-02-22 17:54 ` Jeff Law
2023-02-22 18:06 ` Jeff Johnston
2023-02-10 17:16 ` Jeff Johnston
2023-12-04 6:49 ` Mike Frysinger
2023-02-10 16:52 ` Jeff Law
2023-12-04 7:03 ` [PATCH 1/2] Revert "Fix libgloss/newlib build to conditionally use top include dir" Mike Frysinger
2023-12-04 7:03 ` [PATCH 2/2] libgloss: drop $(INCLUDES) when using $(AS) Mike Frysinger
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