[PATCH 2/5] Move to autoconf standard function name checks & defines
Gaetan Nadon
memsize at videotron.ca
Fri Dec 2 17:42:24 PST 2011
On Fri, 2011-12-02 at 10:48 -0800, Alan Coopersmith wrote:
> Replace multiple methods of checking for funcs calls with
> AC_CHECK_FUNCS
> Replace multiple methods of selecting fallback funcs with
> AC_REPLACE_FUNCS
A feature of autoconf I had not encountered yet. AC_REPLACE_FUNCS uses
AC_LIBOBJ which in turns sets up the LIBOBJS and LTLIBOBJS variables in
the Makefile.
> Replace HAS_* and NEED_* #defines with autogenerated HAVE_*
>
> Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>
> ---
> configure.ac | 38 +++++---------------------
> hw/dmx/config/Makefile.am | 3 --
> hw/vfb/InitOutput.c | 26 +++++++++---------
> hw/xwin/win.h | 4 +-
> include/dix-config.h.in | 65
> +++++++++++++++++++++++---------------------
> include/os.h | 8 +++---
> include/xkb-config.h.in | 3 --
> mi/mibitblt.c | 2 +-
> os/Makefile.am | 16 +---------
> os/access.c | 28 +++++++++---------
> os/connection.c | 6 ++--
> os/osdep.h | 6 ----
> os/strcasecmp.c | 4 +-
> os/strcasestr.c | 2 +-
> os/strlcpy.c | 2 +
> 15 files changed, 85 insertions(+), 128 deletions(-)
>
>
>
I got a compiler error (full build). Note that my system does not have
strlcpy or strlcat. These two objects are available to all Makefiles
$LIBOBJS appended near the end of the gcc command.
make[2]: Entering directory `/home/nadon/xorg/src/xserver/hw/xfree86'
libtool: link: gcc -std=gnu99 -DHAVE_DIX_CONFIG_H -Wall -Wpointer-arith
-Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
-Wnested-externs -fno-strict-aliasing -Wbad-function-cast -Wformat=2
-Wold-style-definition -Wdeclaration-after-statement
-fno-strict-aliasing -D_BSD_SOURCE -DHAS_FCHOWN -DHAS_STICKY_DIR_BIT
-I/home/nadon/xorg/src/inst/include
-I/home/nadon/xorg/src/inst/include/pixman-1 -I/usr/include/freetype2
-I../../include -I../../include -I../../Xext -I../../composite
-I../../damageext -I../../xfixes -I../../Xi -I../../mi
-I../../miext/sync -I../../miext/shadow -I../../miext/damage
-I../../render -I../../randr -I../../fb -DHAVE_XORG_CONFIG_H
-I/home/nadon/xorg/src/inst/include -DXF86PM
-I/home/nadon/xorg/src/inst/include -g -O2 -o Xorg
sdksyms.o ../../dix/dix.O ../../os/os.O
-Wl,--export-dynamic ../../dix/.libs/libmain.a loader/.libs/libloader.a
common/.libs/libcommon.a os-support/.libs/libxorgos.a
parser/.libs/libxf86config_internal.a dixmods/.libs/libdixmods.a
modes/.libs/libxf86modes.a ramdac/.libs/libramdac.a ddc/.libs/libddc.a
i2c/.libs/libi2c.a
dixmods/.libs/libxorgxkb.a ../../composite/.libs/libcomposite.a ../../xfixes/.libs/libxfixes.a ../../Xext/.libs/libXextbuiltin.a ../../glx/.libs/libglx.a ../../randr/.libs/librandr.a ../../render/.libs/librender.a ../../damageext/.libs/libdamageext.a ../../miext/sync/.libs/libsync.a ../../miext/damage/.libs/libdamage.a ../../miext/shadow/.libs/libshadow.a ../../Xi/.libs/libXi.a ../../xkb/.libs/libxkb.a ../../mi/.libs/libmi.a ../../os/.libs/libos.a -lcrypto -ldl -L/home/nadon/xorg/src/inst/lib /home/nadon/xorg/src/inst/lib/libpciaccess.so -lpthread /home/nadon/xorg/src/inst/lib/libpixman-1.so /home/nadon/xorg/src/inst/lib/libXfont.so /home/nadon/xorg/src/inst/lib/libXau.so /home/nadon/xorg/src/inst/lib/libXdmcp.so -lm -lrt -Wl,-rpath -Wl,/home/nadon/xorg/src/inst/lib -Wl,-rpath -Wl,/home/nadon/xorg/src/inst/lib
sdksyms.o:(.data+0x388): undefined reference to `strlcpy'
sdksyms.o:(.data+0x390): undefined reference to `strlcat'
../../os/os.O: In function `siHostnameAddrMatch':
/home/nadon/xorg/src/xserver/os/access.c:1759: undefined reference to
`strlcpy'
../../os/os.O: In function `AuthAudit':
/home/nadon/xorg/src/xserver/os/connection.c:518: undefined reference to
`strlcpy'
/home/nadon/xorg/src/xserver/os/connection.c:536: undefined reference to
`strlcpy'
../../os/os.O: In function `VAuditF':
/home/nadon/xorg/src/xserver/os/log.c:576: undefined reference to
`strlcpy'
common/.libs/libcommon.a(xf86Config.o): In function
`xf86ValidateFontPath':
/home/nadon/xorg/src/xserver/hw/xfree86/common/xf86Config.c:198:
undefined reference to `strlcpy'
common/.libs/libcommon.a(xf86Xinput.o):/home/nadon/xorg/src/xserver/hw/xfree86/common/xf86Xinput.c:463: more undefined references to `strlcpy' follow
collect2: ld returned 1 exit status
make[2]: *** [Xorg] Error 1
make[2]: Leaving directory `/home/nadon/xorg/src/xserver/hw/xfree86'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/nadon/xorg/src/xserver/hw/xfree86'
make: *** [all] Error 2
=======================================================================================================
nadon at ubuntu:~/xorg/src/xserver/os$ make
/bin/bash ../libtool --tag=CC --mode=compile gcc -std=gnu99
-DHAVE_CONFIG_H -I. -I../include -DHAVE_DIX_CONFIG_H -Wall
-Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes
-Wmissing-declarations -Wnested-externs -fno-strict-aliasing
-Wbad-function-cast -Wformat=2 -Wold-style-definition
-Wdeclaration-after-statement -fno-strict-aliasing -D_BSD_SOURCE
-DHAS_FCHOWN -DHAS_STICKY_DIR_BIT -I/home/nadon/xorg/src/inst/include
-I/home/nadon/xorg/src/inst/include/pixman-1 -I/usr/include/freetype2
-I../include -I../include -I../Xext -I../composite -I../damageext
-I../xfixes -I../Xi -I../mi -I../miext/sync -I../miext/shadow
-I../miext/damage -I../render -I../randr -I../fb -g -O2 -MT access.lo
-MD -MP -MF .deps/access.Tpo -c -o access.lo access.c
libtool: compile: gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I../include
-DHAVE_DIX_CONFIG_H -Wall -Wpointer-arith -Wstrict-prototypes
-Wmissing-prototypes -Wmissing-declarations -Wnested-externs
-fno-strict-aliasing -Wbad-function-cast -Wformat=2
-Wold-style-definition -Wdeclaration-after-statement
-fno-strict-aliasing -D_BSD_SOURCE -DHAS_FCHOWN -DHAS_STICKY_DIR_BIT
-I/home/nadon/xorg/src/inst/include
-I/home/nadon/xorg/src/inst/include/pixman-1 -I/usr/include/freetype2
-I../include -I../include -I../Xext -I../composite -I../damageext
-I../xfixes -I../Xi -I../mi -I../miext/sync -I../miext/shadow
-I../miext/damage -I../render -I../randr -I../fb -g -O2 -MT access.lo
-MD -MP -MF .deps/access.Tpo -c access.c -fPIC -DPIC -o .libs/access.o
mv -f .deps/access.Tpo .deps/access.Plo
/bin/bash ../libtool --tag=CC --mode=link gcc -std=gnu99
-DHAVE_DIX_CONFIG_H -Wall -Wpointer-arith -Wstrict-prototypes
-Wmissing-prototypes -Wmissing-declarations -Wnested-externs
-fno-strict-aliasing -Wbad-function-cast -Wformat=2
-Wold-style-definition -Wdeclaration-after-statement
-fno-strict-aliasing -D_BSD_SOURCE -DHAS_FCHOWN -DHAS_STICKY_DIR_BIT
-I/home/nadon/xorg/src/inst/include
-I/home/nadon/xorg/src/inst/include/pixman-1 -I/usr/include/freetype2
-I../include -I../include -I../Xext -I../composite -I../damageext
-I../xfixes -I../Xi -I../mi -I../miext/sync -I../miext/shadow
-I../miext/damage -I../render -I../randr -I../fb -g -O2 -o libos.la
WaitFor.lo access.lo auth.lo backtrace.lo client.lo connection.lo io.lo
mitauth.lo oscolor.lo osinit.lo utils.lo xdmauth.lo xsha1.lo xstrans.lo
xprintf.lo log.lo rpcauth.lo xdmcp.lo -lcrypto -ldl strlcat.o strlcpy.o
-lm -lrt
*** Warning: Linking the shared library libos.la against the non-libtool
*** objects strlcat.o strlcpy.o is not portable!
libtool: link: rm -fr .libs/libos.a .libs/libos.la
libtool: link: ar
cru .libs/libos.a .libs/WaitFor.o .libs/access.o .libs/auth.o .libs/backtrace.o .libs/client.o .libs/connection.o .libs/io.o .libs/mitauth.o .libs/oscolor.o .libs/osinit.o .libs/utils.o .libs/xdmauth.o .libs/xsha1.o .libs/xstrans.o .libs/xprintf.o .libs/log.o .libs/rpcauth.o .libs/xdmcp.o
libtool: link: ranlib .libs/libos.a
libtool: link: ( cd ".libs" && rm -f "libos.la" && ln -s "../libos.la"
"libos.la" )
/usr/bin/dtrace -G -C -o dtrace.o
-s ../dix/Xserver.d .libs/*.o ../dix/.libs/*.o
ld -r -o os.O dtrace.o .libs/*.o
I hope it is not just a glitch on my system, I'll try digging more.
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