forked from enlightenment/efl
Evas: fix shm_open() check (can be in libc or librt)
This works in linux and windows, and should fix shm_detection on BSD (including Mac) BSD, Mac and solaris users : please check that it compiles and shm_open is detected SVN revision: 69612
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d1ba8d6035
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5422bf5b85
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@ -587,31 +587,9 @@ if test "x$res" = "xyes"; then
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AC_DEFINE(HAVE_LROUND, 1, C99 lround function exists)
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fi
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SHM_OPEN_LINK=""
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AC_MSG_CHECKING([whether shm_open() is present])
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LIBS_save=${LIBS}
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LIBS="${LIBS} -lrt"
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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]],
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[[
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int fd;
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fd = shm_open("/", O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
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shm_unlink("/");
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]])],
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[
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have_shm_open="yes"
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AC_DEFINE(HAVE_SHM_OPEN, 1, [Have shm_open() call])
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SHM_OPEN_LINK="-lrt"
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],
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[have_shm_open="no"])
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LIBS=${LIBS_save}
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AC_MSG_RESULT([${have_shm_open}])
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AC_SUBST(SHM_OPEN_LINK)
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if test "x${want_evas_image_loader_generic}" = "xyes" ; then
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EFL_CHECK_SHM_OPEN
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fi
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# (shm_open (for cache server)
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AC_ARG_ENABLE([evas-cserve],
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@ -628,29 +606,11 @@ AC_MSG_CHECKING(whether to build shared cache server and support)
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AC_MSG_RESULT(${want_evas_cserve})
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if test "x${want_evas_cserve}" = "xyes" ; then
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AC_MSG_CHECKING([whether shm_open() is present])
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LIBS_save=${LIBS}
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LIBS="${LIBS} -lrt"
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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]],
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[[
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int fd;
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fd = shm_open("/", O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
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shm_unlink("/");
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]])],
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[want_evas_cserve="yes"],
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[want_evas_cserve="no"])
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LIBS=${LIBS_save}
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AC_MSG_RESULT([${want_evas_cserve}])
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EFL_CHECK_SHM_OPEN([want_evas_cserve="yes"], [want_evas_cserve="no"])
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fi
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if test "x${want_evas_cserve}" = "xyes" ; then
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AC_DEFINE(EVAS_CSERVE, 1, [Shared caceh server.])
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AC_DEFINE(EVAS_CSERVE, 1, [Shared cache server.])
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fi
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AM_CONDITIONAL([EVAS_CSERVE], [test "x${want_evas_cserve}" = "xyes"])
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@ -0,0 +1,70 @@
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dnl Copyright (C) 2010 Vincent Torri <vtorri at univ-evry dot fr>
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dnl That code is public domain and can be freely used or copied.
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dnl Macro that check if shm_open function is available or not.
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dnl Usage: EFL_CHECK_SHM_OPEN([, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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dnl Call AC_SUBST(EFL_SHM_OPEN_LIBS)
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dnl Define HAVE_SHM_OPEN to 1if shm_open is available
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AC_DEFUN([EFL_CHECK_SHM_OPEN],
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[
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_efl_have_shm_open="no"
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dnl Check is shm_open is in libc
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AC_MSG_CHECKING([for shm_open in libc])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <sys/mman.h>
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#include <sys/stat.h> /* For mode constants */
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#include <fcntl.h> /* For O_* constants */
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]],
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[[
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int fd;
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fd = shm_open("/dev/null", O_RDONLY, S_IRWXU | S_IRWXG | S_IRWXO);
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]])],
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[_efl_have_shm_open="yes"],
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[_efl_have_shm_open="no"])
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AC_MSG_RESULT([${_efl_have_shm_open}])
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if test "x${_efl_have_shm_open}" = "xno" ; then
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AC_MSG_CHECKING([for shm_open in librt])
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LIBS_save="${LIBS}"
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LIBS="${LIBS} -lrt"
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <sys/mman.h>
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#include <sys/stat.h> /* For mode constants */
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#include <fcntl.h> /* For O_* constants */
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]],
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[[
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int fd;
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fd = shm_open("/dev/null", O_RDONLY, S_IRWXU | S_IRWXG | S_IRWXO);
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]])],
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[
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EFL_SHM_OPEN_LIBS="-lrt"
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_efl_have_shm_open="yes"
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],
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[_efl_have_shm_open="no"])
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LIBS="${LIBS_save}"
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AC_MSG_RESULT([${_efl_have_shm_open}])
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fi
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AC_SUBST([EFL_SHM_OPEN_LIBS])
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if test "x${_efl_have_shm_open}" = "xyes" ; then
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AC_DEFINE([HAVE_SHM_OPEN], [1], [Define to 1 if you have the `shm_open' function.])
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fi
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AS_IF([test "x${_efl_have_shm_open}" = "xyes"], [$1], [$2])
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])
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@ -29,4 +29,4 @@ evas_cs_server.c \
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evas_cs_client.c \
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evas_cs_mem.c
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libevas_cserve_la_LIBADD = @EINA_LIBS@ -lrt
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libevas_cserve_la_LIBADD = @EINA_LIBS@ @EFL_SHM_OPEN_LIBS@
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@ -20,7 +20,7 @@ pkg_LTLIBRARIES = module.la
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module_la_SOURCES = evas_image_load_generic.c
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module_la_LIBADD = @EINA_LIBS@ @evas_image_loader_generic_libs@ @SHM_OPEN_LINK@ $(top_builddir)/src/lib/libevas.la
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module_la_LIBADD = @EINA_LIBS@ @evas_image_loader_generic_libs@ @EFL_SHM_OPEN_LIBS@ $(top_builddir)/src/lib/libevas.la
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module_la_LDFLAGS = -no-undefined @lt_enable_auto_import@ -module -avoid-version
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module_la_LIBTOOLFLAGS = --tag=disable-static
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@ -29,7 +29,7 @@ else
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noinst_LTLIBRARIES = libevas_loader_generic.la
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libevas_loader_generic_la_SOURCES = evas_image_load_generic.c
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libevas_loader_generic_la_LIBADD = @evas_image_loader_generic_libs@ @SHM_OPEN_LINK@
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libevas_loader_generic_la_LIBADD = @evas_image_loader_generic_libs@ @EFL_SHM_OPEN_LIBS@
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endif
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endif
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