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Check for support of -z nodelete LD flag, don't use it unconditionally.

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On non-GNU, non-Sun linkers, the -z option is often not understood; make
sure that the -z nodelete option is usable before making use of it.

Unbreaks build on Mac OS X.
This commit is contained in:
Diego Elio 'Flameeyes' Pettenò 2009-07-17 14:18:07 +02:00
parent 7e4509f9e5
commit 673112b192
2 changed files with 10 additions and 1 deletions
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9
configure.ac
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@ -119,6 +119,15 @@ dnl other linkes might be added later
CC_CHECK_LDFLAGS([-Wl,-z,now], [IMMEDIATE_LDFLAGS="-Wl,-z,now"])
AC_SUBST([IMMEDIATE_LDFLAGS])
dnl On ELF systems we don't want the libraries to be unloaded since we
dnl don't clean them up properly, so we request the nodelete flag to be
dnl enabled.
dnl
dnl On other systems, we don't really know how to do that, but it's
dnl welcome if somebody can tell.
CC_CHECK_LDFLAGS([-Wl,-z,nodelete], [NODELETE_LDFLAGS="-Wl,-z,nodelete"])
AC_SUBST([NODELETE_LDFLAGS])
dnl Check for the proper way to build libraries that have no undefined
dnl symbols; on some hosts this needs to be avoided but the macro
dnl takes care of it.

2
src/Makefile.am
View file

@ -87,7 +87,7 @@ AM_CFLAGS = \
AM_LIBADD = $(PTHREAD_LIBS) $(INTLLIBS)
AM_LDADD = $(PTHREAD_LIBS) $(INTLLIBS)
AM_LDFLAGS = -Wl,-z,nodelete
AM_LDFLAGS = $(NODELETE_LDFLAGS)
if STATIC_BINS
BINLDFLAGS = -static