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libada: Respect `--enable-version-specific-runtime-libs'

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Respect the `--enable-version-specific-runtime-libs' configuration
option in libada/, so that shared gnatlib libraries will be installed
in non-version-specific $(toolexeclibdir) if requested.  In a
cross-compilation environment this helps setting up a consistent
sysroot, which can then be shared between the host and the target
system.

This lets one have `libgnarl-10.so' and `libgnat-10.so' installed in say
/usr/lib and /usr/$(target_alias)/lib for a native and a cross-build
respectively, rather than in /usr/lib/gcc/$(target_alias)/10.0.0/adalib.

Update the settings of $(toolexecdir) and $(toolexeclibdir), unused till
now, to keep the current arrangement in the version-specific case and
make the new option to be enabled by default, unlike with the other
target libraries, so as to keep existing people's build infrastructure
unaffected.

Of course if someone does use `--disable-version-specific-runtime-libs'
already, then the installation location of shared gnatlib libraries will
change, but presumably this is what they do want anyway as the current
situation where the option is ignored in libada/ only is an anomaly
really rather than one that is expected or desired.

	gcc/ada/
	* gcc-interface/Makefile.in (ADA_RTL_DSO_DIR): New variable.
	(install-gnatlib): Use it in place of ADA_RTL_OBJ_DIR for shared
	library installation.

	libada/
	* Makefile.in (toolexecdir, toolexeclibdir): New variables.
	(LIBADA_FLAGS_TO_PASS): Add `toolexeclibdir'.
	* configure.ac: Add `--enable-version-specific-runtime-libs'.
	Update version-specific `toolexecdir' and `toolexeclibdir' from
	ADA_RTL_OBJ_DIR from gcc/ada/gcc-interface/Makefile.in.
	* configure: Regenerate.

From-SVN: r276424
This commit is contained in:
Maciej W. Rozycki 2019-10-01 19:14:11 +00:00 committed by Maciej W. Rozycki
parent 8951374df1
commit 13681906ff
6 changed files with 61 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ada/ChangeLog
View File

@ -1,3 +1,9 @@
2019-10-01 Maciej W. Rozycki <macro@wdc.com>
* gcc-interface/Makefile.in (ADA_RTL_DSO_DIR): New variable.
(install-gnatlib): Use it in place of ADA_RTL_OBJ_DIR for shared
library installation.
2019-10-01 Maciej W. Rozycki <macro@wdc.com>
* gcc-interface/Make-lang.in (ada.install-common): Split into...

7
gcc/ada/gcc-interface/Makefile.in
View File

@ -534,15 +534,15 @@ install-gnatlib: ../stamp-gnatlib-$(RTSDIR) install-gcc-specs
for file in gnat gnarl; do \
if [ -f $(RTSDIR)/lib$${file}$(hyphen)$(LIBRARY_VERSION)$(soext) ]; then \
$(INSTALL) $(RTSDIR)/lib$${file}$(hyphen)$(LIBRARY_VERSION)$(soext) \
$(DESTDIR)$(ADA_RTL_OBJ_DIR); \
$(DESTDIR)$(ADA_RTL_DSO_DIR); \
fi; \
if [ -f $(RTSDIR)/lib$${file}$(soext) ]; then \
$(LN_S) lib$${file}$(hyphen)$(LIBRARY_VERSION)$(soext) \
$(DESTDIR)$(ADA_RTL_OBJ_DIR)/lib$${file}$(soext); \
$(DESTDIR)$(ADA_RTL_DSO_DIR)/lib$${file}$(soext); \
fi; \
if [ -d $(RTSDIR)/lib$${file}$(hyphen)$(LIBRARY_VERSION)$(soext).dSYM ]; then \
$(CP) -r $(RTSDIR)/lib$${file}$(hyphen)$(LIBRARY_VERSION)$(soext).dSYM \
$(DESTDIR)$(ADA_RTL_OBJ_DIR); \
$(DESTDIR)$(ADA_RTL_DSO_DIR); \
fi; \
done
# This copy must be done preserving the date on the original file.
@ -882,6 +882,7 @@ b_gnatm.o : b_gnatm.adb
ADA_INCLUDE_DIR = $(libsubdir)/adainclude
ADA_RTL_OBJ_DIR = $(libsubdir)/adalib
ADA_RTL_DSO_DIR = $(toolexeclibdir)
# Special flags

9
libada/ChangeLog
View File

@ -1,3 +1,12 @@
2019-10-01 Maciej W. Rozycki <macro@wdc.com>
* Makefile.in (toolexecdir, toolexeclibdir): New variables.
(LIBADA_FLAGS_TO_PASS): Add `toolexeclibdir'.
* configure.ac: Add `--enable-version-specific-runtime-libs'.
Update version-specific `toolexecdir' and `toolexeclibdir' from
ADA_RTL_OBJ_DIR from gcc/ada/gcc-interface/Makefile.in.
* configure: Regenerate.
2019-01-01 Jakub Jelinek <jakub@redhat.com>
Update copyright years.

3
libada/Makefile.in
View File

@ -38,6 +38,8 @@ target = @target@
prefix = @prefix@
# Nonstandard autoconf-set variables.
toolexecdir = @toolexecdir@
toolexeclibdir = @toolexeclibdir@
enable_shared = @enable_shared@
LN_S=@LN_S@
@ -88,6 +90,7 @@ LIBADA_FLAGS_TO_PASS = \
"TRACE=$(TRACE)" \
"MULTISUBDIR=$(MULTISUBDIR)" \
"libsubdir=$(libsubdir)" \
"toolexeclibdir=$(toolexeclibdir)" \
"objext=$(objext)" \
"prefix=$(prefix)" \
"exeext=.exeext.should.not.be.used " \

25
libada/configure vendored
View File

@ -702,6 +702,7 @@ ac_subst_files=''
ac_user_opts='
enable_option_checking
with_build_libsubdir
enable_version_specific_runtime_libs
enable_maintainer_mode
enable_multilib
enable_shared
@ -1325,6 +1326,9 @@ Optional Features:
--disable-option-checking ignore unrecognized --enable/--with options
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
--enable-version-specific-runtime-libs
specify that runtime libraries should be installed
in a compiler-specific directory
--enable-maintainer-mode
enable make rules and dependencies not useful (and
sometimes confusing) to the casual installer
@ -2215,6 +2219,22 @@ target_subdir=${target_noncanonical}
# Command-line options.
# Check whether --enable-version-specific-runtime-libs was given.
if test "${enable_version_specific_runtime_libs+set}" = set; then :
enableval=$enable_version_specific_runtime_libs; case "$enableval" in
yes|no)
;;
*)
as_fn_error $? "--enable-version-specific-runtime-libs must be yes or no" "$LINENO" 5
;;
esac
else
enable_version_specific_runtime_libs=yes
fi
# Very limited version of AC_MAINTAINER_MODE.
# Check whether --enable-maintainer-mode was given.
if test "${enable_maintainer_mode+set}" = set; then :
@ -2273,8 +2293,8 @@ case ${enable_version_specific_runtime_libs} in
# Need the gcc compiler version to know where to install libraries
# and header files if --enable-version-specific-runtime-libs option
# is selected.
toolexecdir='$(libdir)/gcc/$(target_alias)'
toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
toolexecdir='$(libdir)/gcc/$(target_noncanonical)'
toolexeclibdir='$(toolexecdir)/$(version)$(MULTISUBDIR)/adalib'
;;
no)
if test -n "$with_cross_host" &&
@ -2295,7 +2315,6 @@ case ${enable_version_specific_runtime_libs} in
esac
#TODO: toolexeclibdir is currently disregarded
# Check the compiler.
# The same as in boehm-gc and libstdc++. Have to borrow it from there.

20
libada/configure.ac
View File

@ -38,6 +38,21 @@ ACX_NONCANONICAL_TARGET
GCC_TOPLEV_SUBDIRS
# Command-line options.
AC_ARG_ENABLE(version-specific-runtime-libs,
[AS_HELP_STRING([--enable-version-specific-runtime-libs],
[specify that runtime libraries should be
installed in a compiler-specific directory])],
[case "$enableval" in
yes|no)
;;
*)
AC_MSG_ERROR([--enable-version-specific-runtime-libs must be yes or no])
;;
esac],
[enable_version_specific_runtime_libs=yes]
)
# Very limited version of AC_MAINTAINER_MODE.
AC_ARG_ENABLE([maintainer-mode],
[AC_HELP_STRING([--enable-maintainer-mode],
@ -60,8 +75,8 @@ case ${enable_version_specific_runtime_libs} in
# Need the gcc compiler version to know where to install libraries
# and header files if --enable-version-specific-runtime-libs option
# is selected.
toolexecdir='$(libdir)/gcc/$(target_alias)'
toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
toolexecdir='$(libdir)/gcc/$(target_noncanonical)'
toolexeclibdir='$(toolexecdir)/$(version)$(MULTISUBDIR)/adalib'
;;
no)
if test -n "$with_cross_host" &&
@ -82,7 +97,6 @@ case ${enable_version_specific_runtime_libs} in
esac
AC_SUBST(toolexecdir)
AC_SUBST(toolexeclibdir)
#TODO: toolexeclibdir is currently disregarded
# Check the compiler.
# The same as in boehm-gc and libstdc++. Have to borrow it from there.