- Fix Python/C++ module compilation when compiler supports
the -fvisibility=hidden option - Update Makefile consequentially git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@361 3ecf2c5c-341e-0410-92b4-d18e462d057c
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@ -120,6 +120,8 @@ src_backend_pyloader_libpyloader_la_CPPFLAGS = \
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-DLOCALEDIR="\"$(localedir)\"" \
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$(PYTHON_CPPFLAGS) \
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$(GLIBMM_CFLAGS)
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src_backend_pyloader_libpyloader_la_CXXFLAGS = \
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$(VISIB_HIDDEN)
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src_backend_pyloader_libpyloader_la_LIBADD = \
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$(PYTHON_LDFLAGS) \
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$(PYTHON_EXTRA_LIBS) \
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@ -157,6 +159,8 @@ src_backend_libbackend_la_CPPFLAGS = \
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-DLOCALEDIR="\"$(localedir)\"" \
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$(PYTHON_CPPFLAGS) \
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$(GLIBMM_CFLAGS)
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src_backend_libbackend_la_CXXFLAGS = \
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$(VISIB_HIDDEN)
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src_backend_libbackend_la_LIBADD = \
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src/backend/pyloader/libpyloader.la
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src_backend_libbackend_la_LDFLAGS = \
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@ -210,6 +214,7 @@ sgpemv2_CPPFLAGS = \
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$(GTKMM_CFLAGS) \
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$(PYTHON_CPPFLAGS) \
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$(GTHREAD_CFLAGS)
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sgpemv2_CXXFLAGS = $(VISIB_HIDDEN)
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sgpemv2_LDFLAGS = $(LT_LDFLAGS)
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sgpemv2_LDADD = \
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src/backend/libbackend.la \
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15
configure.ac
15
configure.ac
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@ -60,11 +60,11 @@ CAIRO_VERSION=1.0.0
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dnl c++ compiler and flags
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AC_PROG_CXX
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AC_CHECK_CXXFLAG([Wall])
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AC_CHECK_CXXFLAG([pedantic])
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AC_CHECK_CXXFLAG([Wextra])
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AC_CHECK_CXXFLAG([Wno-long-long])
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AC_CHECK_LDFLAG([--as-needed])
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AC_CHECK_CXXFLAG([CXXFLAGS], [Wall])
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AC_CHECK_CXXFLAG([CXXFLAGS], [pedantic])
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AC_CHECK_CXXFLAG([CXXFLAGS], [Wextra])
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AC_CHECK_CXXFLAG([CXXFLAGS], [Wno-long-long])
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AC_CHECK_LDFLAG([LDFLAGS],[--as-needed])
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AC_PROG_INSTALL
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@ -119,8 +119,9 @@ AC_COMPILE_IFELSE(
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AC_DEFINE([SG_DLLLOCAL],[__attribute__ ((visibility("hidden")))])
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AC_DEFINE([SG_DLLPUBLIC],[__attribute__ ((visibility("default")))])
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AC_CHECK_CXXFLAG([fvisibility=hidden])
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AC_CHECK_CXXFLAG([fvisibility-inlines-hidden])
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AC_CHECK_CXXFLAG([VISIB_HIDDEN], [fvisibility=hidden])
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AC_SUBST([VISIB_HIDDEN])
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AC_CHECK_CXXFLAG([CXXFLAGS],[fvisibility-inlines-hidden])
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],[
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AC_MSG_RESULT([no])
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AC_DEFINE([SG_DLLIMPORT],[/* unsupported */])
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@ -2,22 +2,27 @@ dnl **************************************************
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dnl Copyright (C) 2004 Matteo Settenvini
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dnl **************************************************
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dnl ---------- AX_CHECK_CXXFLAG ---------------------
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dnl ---------- AC_CHECK_CXXFLAG ---------------------
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dnl This macro checks if a particular flag for the
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dnl C++ compiler works. If it is so, it adds the flag
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dnl to the CXXFLAGS variable.
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dnl Example of usage : AC_CHECK_CXXFLAG([Wall])
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dnl C++ compiler works. If it is so, it puts the flag
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dnl into the first macro parameter.
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dnl Example of usage : AC_CHECK_CXXFLAG([CXXFLAGS],[Wall])
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dnl -------------------------------------------------
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AC_DEFUN([AC_CHECK_CXXFLAG],
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[ AC_REQUIRE([AC_PROG_CXX])dnl
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AC_MSG_CHECKING([whether $CXX supports the -$1 flag])
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[ if test -z "$1" -o -z "$2"; then
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AC_MSG_FAILURE([Wrong parameters passed to the m4 macro.
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Please contact the package mantainer.])
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fi
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AC_REQUIRE([AC_PROG_CXX])dnl
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AC_MSG_CHECKING([whether $CXX supports the -$2 flag])
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ac_check_cxxflags=$CXXFLAGS
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CXXFLAGS="-$1"
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CXXFLAGS="-$2"
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AC_LANG_PUSH([C++])
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AC_COMPILE_IFELSE(
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AC_LANG_PROGRAM([], [return 0;]),
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[AC_MSG_RESULT([yes])
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CXXFLAGS="-$1 $ac_check_cxxflags" ],
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CXXFLAGS="$ac_check_cxxflags"
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$1="-$2 $[$1]" ],
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[AC_MSG_RESULT([no])
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CXXFLAGS=$ac_check_cxxflags ]
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)
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@ -29,19 +34,24 @@ AC_DEFUN([AC_CHECK_CXXFLAG],
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dnl ---------- AC_CHECK_CFLAG ---------------------
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dnl This macro checks if a particular flag for the
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dnl C compiler works. If it is so, it adds the flag
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dnl to the CFLAGS variable.
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dnl Example of usage : AC_CHECK_CFLAG([Wall])
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dnl into the first macro parameter.
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dnl Example of usage : AC_CHECK_CFLAG([CFLAGS],[Wall])
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dnl -------------------------------------------------
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AC_DEFUN([AC_CHECK_CFLAG],
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[ AC_REQUIRE([AC_PROG_CC])dnl
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AC_MSG_CHECKING([whether $CC supports the -$1 flag])
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[ if test -z "$1" -o -z "$2"; then
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AC_MSG_FAILURE([Wrong parameters passed to the m4 macro.
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Please contact the package mantainer.])
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fi
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AC_REQUIRE([AC_PROG_CC])dnl
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AC_MSG_CHECKING([whether $CC supports the -$2 flag])
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ac_check_cflags=$CFLAGS
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CFLAGS="-$1"
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CFLAGS="-$2"
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AC_LANG_PUSH([C])
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AC_COMPILE_IFELSE(
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AC_LANG_PROGRAM([], [return 0;]),
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[AC_MSG_RESULT([yes])
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CFLAGS="-$1 $ac_check_cflags" ],
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CFLAGS="$ac_check_cflags"
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$1="-$2 $[$1]" ],
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[AC_MSG_RESULT([no])
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CFLAGS=$ac_check_cflags ]
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)
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@ -5,19 +5,24 @@ dnl **************************************************
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dnl ---------- AX_CHECK_LDFLAG ---------------------
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dnl This macro checks if a particular flag for the
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dnl C++ compiler works. If it is so, it adds the flag
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dnl to the CXXFLAGS variable.
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dnl Example of usage : AC_CHECK_LDFLAG([--as-needed])
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dnl to the end of the first parameter.
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dnl Example of usage : AC_CHECK_LDFLAG([LDFLAGS],[--as-needed])
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dnl -------------------------------------------------
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AC_DEFUN([AC_CHECK_LDFLAG],
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[ AC_REQUIRE([AC_PROG_CC])dnl
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AC_MSG_CHECKING([whether the linker supports the $1 flag])
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[ if test -z "$1" -o -z "$2"; then
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AC_MSG_FAILURE([Wrong parameters passed to the m4 macro.
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Please contact the package mantainer.])
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fi
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AC_REQUIRE([AC_PROG_CC])dnl
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AC_MSG_CHECKING([whether the linker supports the $2 flag])
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ac_check_ldflags=$LDFLAGS
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LDFLAGS="-Wl,$1"
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LDFLAGS="-Wl,$2"
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AC_LANG_PUSH([C])
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AC_LINK_IFELSE(
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AC_LANG_PROGRAM([], [return 0;]),
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[AC_MSG_RESULT([yes])
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LDFLAGS="-Wl,$1 $ac_check_ldflags" ],
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LDFLAGS=$ac_check_ldflags
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$1="-Wl,$2 $[$1]" ],
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[AC_MSG_RESULT([no])
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LDFLAGS=$ac_check_ldflags ]
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)
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@ -1,4 +1,4 @@
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// src/templates/parameter.tcc - Copyright 2005, 2006, University
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// Src/templates/parameter.tcc - Copyright 2005, 2006, University
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// of Padova, dept. of Pure and Applied
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// Mathematics
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//
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