4d74f4665f
OBS-URL: https://build.opensuse.org/request/show/51697 OBS-URL: https://build.opensuse.org/package/show/Base:System/pcre?expand=0&rev=18
59 lines
9.3 KiB
Diff
59 lines
9.3 KiB
Diff
--- configure.ac.orig
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+++ configure.ac
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@@ -672,6 +672,44 @@ if test "$enable_pcretest_libreadline" =
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fi
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AC_SUBST(LIBREADLINE)
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+
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+ dnl ************************************************************
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+ dnl Enable hiding of internal symbols in library to reduce its size and
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+ dnl speed dynamic linking of applications. This currently is only supported
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+ dnl on gcc >= 4.0 and SunPro C.
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+ dnl
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+ AC_MSG_CHECKING([whether to enable hidden symbols in the library])
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+ AC_ARG_ENABLE(hidden-symbols,
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+ AC_HELP_STRING([--enable-hidden-symbols],[Hide internal symbols in library])
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+ AC_HELP_STRING([--disable-hidden-symbols],[Leave all symbols with default visibility in library]),
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+ [ case "$enableval" in
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+ no)
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+ AC_MSG_RESULT(no)
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+ ;;
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+ *)
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+ AC_MSG_CHECKING([whether $CC supports it])
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+ if test "$GCC" = yes ; then
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+ if $CC --help --verbose 2>&1 | grep fvisibility= > /dev/null ; then
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+ AC_MSG_RESULT(yes)
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+ AC_DEFINE(PCRE_EXP_DECL, [extern __attribute__ ((visibility ("default")))], [to make a symbol visible])
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+ AC_DEFINE(PCRE_EXP_DEFN, [__attribute__ ((visibility ("default")))], [to make a symbol visible])
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+ AC_DEFINE(PCRE_EXP_DATA_DEFN, [__attribute__ ((visibility ("default")))], [to make a symbol visible])
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+ AC_DEFINE(PCREPOSIX_EXP_DECL, [extern __attribute__ ((visibility ("default")))], [to make a symbol visible])
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+ AC_DEFINE(PCREPOSIX_EXP_DEFN, [extern __attribute__ ((visibility ("default")))], [to make a symbol visible])
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+ AC_DEFINE(PCRECPP_EXP_DECL, [extern __attribute__ ((visibility ("default")))], [to make a symbol visible])
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+ AC_DEFINE(PCRECPP_EXP_DEFN, [__attribute__ ((visibility ("default")))], [to make a symbol visible])
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+ CFLAGS="$CFLAGS -fvisibility=hidden"
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+ CXXFLAGS="$CXXFLAGS -fvisibility=hidden -fvisibility-inlines-hidden"
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+ else
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+ AC_MSG_RESULT(no)
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+ fi
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+
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+ fi
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+ ;;
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+ esac ],
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+ AC_MSG_RESULT(no)
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+ )
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+
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# Produce these files, in addition to config.h.
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AC_CONFIG_FILES(
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Makefile
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--- Makefile.am.orig
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+++ Makefile.am
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@@ -252,7 +252,7 @@ TESTS += RunGrepTest
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dist_noinst_SCRIPTS += RunGrepTest
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bin_PROGRAMS += pcregrep
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pcregrep_SOURCES = pcregrep.c
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-pcregrep_LDADD = libpcreposix.la $(LIBZ) $(LIBBZ2)
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+pcregrep_LDADD = libpcreposix.la libpcre.la $(LIBZ) $(LIBBZ2)
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EXTRA_DIST += \
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testdata/grepinput \
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