<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 TRANSITIONAL//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=UTF-8"> <META NAME="GENERATOR" CONTENT="GtkHTML/3.32.2"> </HEAD> <BODY> On Fri, 2011-12-02 at 10:48 -0800, Alan Coopersmith wrote: <BLOCKQUOTE TYPE=CITE> <TT>Replace multiple methods of checking for funcs calls with AC_CHECK_FUNCS</TT> <TT>Replace multiple methods of selecting fallback funcs with AC_REPLACE_FUNCS</TT> </BLOCKQUOTE> 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. <BLOCKQUOTE TYPE=CITE> <TT>Replace HAS_* and NEED_* #defines with autogenerated HAVE_*</TT> <TT>Signed-off-by: Alan Coopersmith <<A HREF="mailto:alan.coopersmith@oracle.com">alan.coopersmith@oracle.com</A>></TT> <TT>---</TT> <TT> configure.ac              |   38 +++++---------------------</TT> <TT> hw/dmx/config/Makefile.am |    3 --</TT> <TT> hw/vfb/InitOutput.c       |   26 +++++++++---------</TT> <TT> hw/xwin/win.h             |    4 +-</TT> <TT> include/dix-config.h.in   |   65 +++++++++++++++++++++++---------------------</TT> <TT> include/os.h              |    8 +++---</TT> <TT> include/xkb-config.h.in   |    3 --</TT> <TT> mi/mibitblt.c             |    2 +-</TT> <TT> os/Makefile.am            |   16 +---------</TT> <TT> os/access.c               |   28 +++++++++---------</TT> <TT> os/connection.c           |    6 ++--</TT> <TT> os/osdep.h                |    6 ----</TT> <TT> os/strcasecmp.c           |    4 +-</TT> <TT> os/strcasestr.c           |    2 +-</TT> <TT> os/strlcpy.c              |    2 +</TT> <TT> 15 files changed, 85 insertions(+), 128 deletions(-)</TT> </BLOCKQUOTE> 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 ======================================================================================================= <A HREF="mailto:nadon@ubuntu">nadon@ubuntu</A>:~/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. </BODY> </HTML>