mirror of https://github.com/postgres/postgres
Support cross compilation by compiling "zic" with a native compiler. This
relies on the output of zic being platform independent, but that is currently the case.
This commit is contained in:
Peter Eisentraut
parent
cc9bcbc8a4
commit
85884cb1de
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@ -314,7 +314,7 @@ ac_includes_default="\
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# include <unistd.h>
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#endif"
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ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS configure_args build build_cpu build_vendor build_os host host_cpu host_vendor host_os PORTNAME docdir enable_nls WANTED_LANGUAGES default_port enable_shared enable_rpath enable_debug CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP GCC TAS autodepend INCLUDES enable_thread_safety with_tcl with_perl with_python with_krb5 krb_srvtab with_pam with_bonjour with_openssl EGREP ELF_SYS LDFLAGS_SL AWK FLEX FLEXFLAGS LN_S LD with_gnu_ld ld_R_works RANLIB ac_ct_RANLIB LORDER TAR STRIP ac_ct_STRIP STRIP_STATIC_LIB STRIP_SHARED_LIB YACC YFLAGS PERL perl_archlibexp perl_privlibexp perl_useshrplib perl_embed_ldflags PYTHON python_version python_configdir python_includespec python_libdir python_libspec python_additional_libs HAVE_IPV6 LIBOBJS acx_pthread_config PTHREAD_CC PTHREAD_LIBS PTHREAD_CFLAGS HAVE_POSIX_SIGNALS MSGFMT MSGMERGE XGETTEXT localedir TCLSH TCL_CONFIG_SH TCL_INCLUDE_SPEC TCL_LIB_FILE TCL_LIBS TCL_LIB_SPEC TCL_SHARED_BUILD TCL_SHLIB_LD_LIBS NSGMLS JADE have_docbook DOCBOOKSTYLE COLLATEINDEX SGMLSPL vpath_build LTLIBOBJS'
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ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS configure_args build build_cpu build_vendor build_os host host_cpu host_vendor host_os PORTNAME docdir enable_nls WANTED_LANGUAGES default_port enable_shared enable_rpath enable_debug CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP GCC CC_FOR_BUILD TAS autodepend INCLUDES enable_thread_safety with_tcl with_perl with_python with_krb5 krb_srvtab with_pam with_bonjour with_openssl EGREP ELF_SYS LDFLAGS_SL AWK FLEX FLEXFLAGS LN_S LD with_gnu_ld ld_R_works RANLIB ac_ct_RANLIB LORDER TAR STRIP ac_ct_STRIP STRIP_STATIC_LIB STRIP_SHARED_LIB YACC YFLAGS PERL perl_archlibexp perl_privlibexp perl_useshrplib perl_embed_ldflags PYTHON python_version python_configdir python_includespec python_libdir python_libspec python_additional_libs HAVE_IPV6 LIBOBJS acx_pthread_config PTHREAD_CC PTHREAD_LIBS PTHREAD_CFLAGS HAVE_POSIX_SIGNALS MSGFMT MSGMERGE XGETTEXT localedir TCLSH TCL_CONFIG_SH TCL_INCLUDE_SPEC TCL_LIB_FILE TCL_LIBS TCL_LIB_SPEC TCL_SHARED_BUILD TCL_SHLIB_LD_LIBS NSGMLS JADE have_docbook DOCBOOKSTYLE COLLATEINDEX SGMLSPL vpath_build LTLIBOBJS'
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ac_subst_files=''
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# Initialize some variables set by options.
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@ -3305,6 +3305,17 @@ _ACEOF
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#
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# Native compiler
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#
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if test -z "$CC_FOR_BUILD"; then
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CC_FOR_BUILD=$CC
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fi
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#
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# Set up TAS assembly code if needed; the template file has now had its
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# chance to request this.
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@ -22892,6 +22903,7 @@ s,@EXEEXT@,$EXEEXT,;t t
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s,@OBJEXT@,$OBJEXT,;t t
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s,@CPP@,$CPP,;t t
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s,@GCC@,$GCC,;t t
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s,@CC_FOR_BUILD@,$CC_FOR_BUILD,;t t
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s,@TAS@,$TAS,;t t
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s,@autodepend@,$autodepend,;t t
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s,@INCLUDES@,$INCLUDES,;t t
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13
configure.in
13
configure.in
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@ -1,5 +1,5 @@
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dnl Process this file with autoconf to produce a configure script.
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dnl $PostgreSQL: pgsql/configure.in,v 1.414 2005/07/01 18:17:30 petere Exp $
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dnl $PostgreSQL: pgsql/configure.in,v 1.415 2005/07/03 18:54:26 petere Exp $
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dnl
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dnl Developers, please strive to achieve this order:
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dnl
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@ -303,6 +303,17 @@ AC_DEFINE_UNQUOTED(PG_VERSION_STR,
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[A string containing the version number, platform, and C compiler])
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#
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# Native compiler
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#
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if test -z "$CC_FOR_BUILD"; then
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CC_FOR_BUILD=$CC
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fi
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AC_SUBST(CC_FOR_BUILD)
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#
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# Set up TAS assembly code if needed; the template file has now had its
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# chance to request this.
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@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.238 2005/06/27 02:04:23 neilc Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.239 2005/07/03 18:54:27 petere Exp $ -->
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<chapter id="installation">
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<title><![%standalone-include[<productname>PostgreSQL</>]]>
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@ -993,6 +993,23 @@ su - postgres
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<userinput>./configure CC=/opt/bin/gcc CFLAGS='-O2 -pipe'</>
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</screen>
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</para>
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<para>
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If you are cross-compiling<indexterm><primary>cross
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compilation</primary></indexterm> (compiling on one architecture
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with the intent to run on a different architecture), special care
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needs to be taken. First of all, specify the host architecture
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(the architecture PostgreSQL will run on) using the option
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<option>--host</option>. The variables <envar>CC</>,
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<envar>CFLAGS</>, etc. should refer to the build tools for the
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host architecture. During the build process, the time-zone
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database for PostgreSQL is created and a special tool to do that
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is compiled and run during the build process. This tool needs to
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be compiled using a native compiler. Specify this compiler using
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the variable <envar>CC_FOR_BUILD</envar>. Cross compilation
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requires expert knowledge and the support for this process in the
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PostgreSQL tree should be considered somewhat experimental.
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</para>
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</step>
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<step>
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@ -1,5 +1,5 @@
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# -*-makefile-*-
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# $PostgreSQL: pgsql/src/Makefile.global.in,v 1.214 2005/05/17 18:26:22 tgl Exp $
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# $PostgreSQL: pgsql/src/Makefile.global.in,v 1.215 2005/07/03 18:54:28 petere Exp $
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#------------------------------------------------------------------------------
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# All PostgreSQL makefiles include this file and use the variables it sets,
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@ -182,6 +182,7 @@ endif
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endif # not PGXS
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CC = @CC@
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CC_FOR_BUILD = @CC_FOR_BUILD@
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GCC = @GCC@
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CFLAGS = @CFLAGS@
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@ -4,7 +4,7 @@
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# Makefile for the timezone library
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# IDENTIFICATION
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# $PostgreSQL: pgsql/src/timezone/Makefile,v 1.17 2004/12/31 19:01:54 tgl Exp $
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# $PostgreSQL: pgsql/src/timezone/Makefile,v 1.18 2005/07/03 18:54:28 petere Exp $
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#
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#-------------------------------------------------------------------------
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@ -18,7 +18,7 @@ override CPPFLAGS := $(CPPFLAGS)
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OBJS= localtime.o strftime.o pgtz.o
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# files needed to build zic utility program
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ZICOBJS= zic.o ialloc.o scheck.o localtime.o
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ZICOBJS= zic.o ialloc.o scheck.o localtime-zic.o
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# timezone data files
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TZDATA := africa antarctica asia australasia europe northamerica southamerica \
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@ -30,8 +30,17 @@ all: SUBSYS.o submake-libpgport zic
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SUBSYS.o: $(OBJS)
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$(LD) $(LDREL) $(LDOUT) SUBSYS.o $(OBJS)
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# In case of cross-compilation, zic needs to be built with a native
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# compiler because it is run during the build, not on the final
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# system.
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localtime-zic.c: localtime.c
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$(LN_S) $< $@
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$(ZICOBJS): CC=$(CC_FOR_BUILD)
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zic: $(ZICOBJS)
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$(CC) $(CFLAGS) $(ZICOBJS) $(LDFLAGS) $(LIBS) -o $@$(X)
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$(CC_FOR_BUILD) $(CFLAGS) $(ZICOBJS) -o $@$(X)
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install: all installdirs
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./zic -d $(DESTDIR)$(datadir)/timezone $(TZDATAFILES)
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@ -40,4 +49,4 @@ installdirs:
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$(mkinstalldirs) $(DESTDIR)$(datadir)
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clean distclean maintainer-clean:
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rm -f SUBSYS.o zic$(X) $(OBJS) $(ZICOBJS)
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rm -f SUBSYS.o zic zic$(X) $(OBJS) $(ZICOBJS) localtime-zic.c
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