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Let configure perform linker test with --version-script if enabled

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This commit is contained in:
Thomas Schmitt 2010-07-06 11:41:46 +00:00
parent a58ca098b7
commit 050871e1f2
3 changed files with 24 additions and 9 deletions
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15
acinclude.m4
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@ -193,6 +193,21 @@ AC_DEFUN([LIBBURNIA_ASSERT_READLINE],
])
dnl LIBISOBURN_ASSERT_VERS_LIBS is by Thomas Schmitt, libburnia project
dnl It tests whether -Wl,--version-script=... works with the compiler
AC_DEFUN([LIBISOBURN_ASSERT_VERS_LIBS],
[
libburnia_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,--version-script=libisoburn/libisoburn.ver"
AC_TRY_LINK([#include <stdio.h>], [printf("Hello\n");],
[vers_libs_test="yes"], [vers_libs_test="no"])
if test x$vers_libs_test = xno
then
LDFLAGS="$libburnia_save_LDFLAGS"
fi
])
dnl LIBBURNIA_SET_PKGCONFIG is by Thomas Schmitt, libburnia project
dnl It determines the install directory for the *.pc file.
dnl Important: Must be performed _after_ TARGET_SHIZZLE

14
configure.ac
View File

@ -251,22 +251,22 @@ else
fi
AC_SUBST(XORRISO_DVD_OBS_64K)
dnl ts B00705
# Library versioning normally serves a complex purpose.
# Since libisoburn obeys strict ABI backward compatibility, it needs only the
# simple feature to declare function names "global:" or "local:". Only the
# global ones are visible to applications at library load time.
dnl
dnl >>> TODO:
dnl >>> make an actual try whether -Wl,--version-script=libburn/libburn.ver
dnl >>> is accepted by the compiler
dnl
AC_ARG_ENABLE(versioned-libs,
[ --enable-versioned-libs Enable strict symbol encapsulation , default=yes],
, enable_versioned_libs=yes)
if test x$enable_versioned_libs = xyes; then
LDFLAGS="$LDFLAGS -Wl,--version-script=libisoburn/libisoburn.ver"
vers_libs_test=no
LIBISOBURN_ASSERT_VERS_LIBS
if test x$vers_libs_test = xno
then
echo "disabled strict symbol encapsulation (test failed)"
else
echo "enabled strict symbol encapsulation"
fi
else
echo "disabled strict symbol encapsulation"
fi

2
xorriso/xorriso_timestamp.h
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@ -1 +1 @@
#define Xorriso_timestamP "2010.07.05.122901"
#define Xorriso_timestamP "2010.07.06.114102"