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fix for creation of shared libraries under AIX with gcc

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35587 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2005-09-19 00:26:53 +00:00
parent 420de418ea
commit 4171f4c13d
1 changed files with 23 additions and 15 deletions
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38
build/aclocal/bakefile.m4
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@@ -360,20 +360,32 @@ AC_DEFUN([AC_BAKEFILE_SHARED_LD],
;; ;;
*-*-aix* ) *-*-aix* )
dnl at least gcc 2.95 warns that -fPIC is ignored when compiling
dnl each and every file under AIX which is annoying, so don't use
dnl it there (it's useless as AIX runs on position-independent
dnl architectures only anyhow)
if test "x$GCC" = "xyes"; then if test "x$GCC" = "xyes"; then
dnl at least gcc 2.95 warns that -fPIC is ignored when
dnl compiling each and every file under AIX which is annoying,
dnl so don't use it there (it's useless as AIX runs on
dnl position-independent architectures only anyhow)
PIC_FLAG="" PIC_FLAG=""
SHARED_LD_CC="\$(CC) -shared ${PIC_FLAG} -o"
SHARED_LD_CXX="\$(CXX) -shared ${PIC_FLAG} -o" dnl -bexpfull is needed by AIX linker to export all symbols (by
dnl default it doesn't export any and even with -bexpall it
dnl doesn't export all C++ support symbols, e.g. vtable
dnl pointers) but it's only available starting from 5.1 (with
dnl maintenance pack 2, whatever this is), see
dnl http://www-128.ibm.com/developerworks/eserver/articles/gnu.html
case "${BAKEFILE_HOST}" in
*-*-aix5* )
LD_EXPFULL="-Wl,-bexpfull"
;;
esac
SHARED_LD_CC="\$(CC) -shared $(LD_EXPFULL) -o"
SHARED_LD_CXX="\$(CXX) -shared $(LD_EXPFULL) -o"
else else
dnl the abs path below used to be hardcoded here so I guess it must dnl FIXME: makeC++SharedLib is obsolete, what should we do for
dnl be some sort of standard location under AIX? dnl recent AIX versions?
AC_CHECK_PROG(AIX_CXX_LD, makeC++SharedLib, AC_CHECK_PROG(AIX_CXX_LD, makeC++SharedLib,
makeC++SharedLib, /usr/lpp/xlC/bin/makeC++SharedLib) makeC++SharedLib, /usr/lpp/xlC/bin/makeC++SharedLib)
dnl FIXME - what about makeCSharedLib?
SHARED_LD_CC="$AIX_CC_LD -p 0 -o" SHARED_LD_CC="$AIX_CC_LD -p 0 -o"
SHARED_LD_CXX="$AIX_CXX_LD -p 0 -o" SHARED_LD_CXX="$AIX_CXX_LD -p 0 -o"
fi fi
@@ -1267,11 +1279,7 @@ if test ${D}DEPSMODE = gcc ; then
fi fi
exit 0 exit 0
elif test ${D}DEPSMODE = mwcc ; then elif test ${D}DEPSMODE = mwcc ; then
${D}* ${D}* || exit ${D}?
status=${D}?
if test ${D}{status} != 0 ; then
exit ${D}{status}
fi
# Run mwcc again with -MM and redirect into the dep file we want # Run mwcc again with -MM and redirect into the dep file we want
# NOTE: We can't use shift here because we need ${D}* to be valid # NOTE: We can't use shift here because we need ${D}* to be valid
prevarg= prevarg=
@@ -1292,7 +1300,7 @@ elif test ${D}DEPSMODE = mwcc ; then
${D}* ${D}DEPSFLAG >${D}{DEPSDIR}/${D}{objfile}.d ${D}* ${D}DEPSFLAG >${D}{DEPSDIR}/${D}{objfile}.d
exit 0 exit 0
elif test ${D}DEPSMODE = unixcc; then elif test ${D}DEPSMODE = unixcc; then
${D}* || exit ${D}* || exit ${D}?
# Run compiler again with deps flag and redirect into the dep file. # Run compiler again with deps flag and redirect into the dep file.
# It doesn't work if the '-o FILE' option is used, but without it the # It doesn't work if the '-o FILE' option is used, but without it the
# dependency file will contain the wrong name for the object. So it is # dependency file will contain the wrong name for the object. So it is