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try to improve pthread discovery

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we were not using all the flags we should when testing for
pthread_setattr_default_np() ... place the test line after GTHREAD and
use those flags for linking

see https://github.com/libvips/libvips/issues/1384

thanks elfring
This commit is contained in:
John Cupitt 2019-08-05 13:35:47 +01:00
parent 503e83e232
commit 0d2c14c967
1 changed files with 17 additions and 5 deletions
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22
configure.ac
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@ -449,7 +449,6 @@ AC_CHECK_FUNCS([getcwd gettimeofday getwd memset munmap putenv realpath strcasec
AC_CHECK_LIB(m,cbrt,[AC_DEFINE(HAVE_CBRT,1,[have cbrt() in libm.])])
AC_CHECK_LIB(m,hypot,[AC_DEFINE(HAVE_HYPOT,1,[have hypot() in libm.])])
AC_CHECK_LIB(m,atan2,[AC_DEFINE(HAVE_ATAN2,1,[have atan2() in libm.])])
AC_CHECK_LIB([pthread], [pthread_setattr_default_np], [AC_DEFINE(HAVE_PTHREAD_DEFAULT_NP,1,[have pthread_setattr_default_np() in pthread.])])
# have to have these
# need glib 2.6 for GOption
@ -486,6 +485,10 @@ PKG_CHECK_MODULES(MONOTONIC, glib-2.0 >= 2.28,
]
)
# the old threading system
PKG_CHECK_MODULES(GTHREAD, gthread-2.0)
PACKAGES_USED="$PACKAGES_USED gthread-2.0"
# from 2.32 there are a new set of thread functions, annoyingly
PKG_CHECK_MODULES(THREADS, glib-2.0 >= 2.32,
[AC_DEFINE(HAVE_MUTEX_INIT,1,[define if your glib has g_mutex_init().])
@ -495,10 +498,6 @@ PKG_CHECK_MODULES(THREADS, glib-2.0 >= 2.32,
AC_DEFINE(HAVE_VALUE_GET_SCHAR,1,
[define if your glib has g_value_get_schar().]
)
],
[# the old threading system ... we need to link against gthread
PKG_CHECK_MODULES(GTHREAD, gthread-2.0)
PACKAGES_USED="$PACKAGES_USED gthread-2.0"
]
)
@ -540,6 +539,19 @@ PKG_CHECK_MODULES(HAVE_CHECKED_MUL, glib-2.0 >= 2.48,
# check for gtk-doc
GTK_DOC_CHECK([1.14],[--flavour no-tmpl])
# must be after gthread, since that should have discovered the link flags for
# pthread for us
save_LIBS="$LIBS"
save_CFLAGS="$CFLAGS"
LIBS="$LIBS $GTHREAD_LIBS"
CFLAGS="$CFLAGS $GTHREAD_CFLAGS"
AC_CHECK_FUNCS(pthread_setattr_default_np,
[AC_DEFINE(HAVE_PTHREAD_DEFAULT_NP,1, [have pthread_setattr_default_np().])
]
)
LIBS="$save_LIBS"
CFLAGS="$save_CFLAGS"
# we need expat ... we'd love to use expat.pc, but sadly this is only available
# for recent linuxes, so we have to use the old and horrible expat.m4
AM_WITH_EXPAT