From 3f189a24f23d5540441384ad2581f3f4886344df Mon Sep 17 00:00:00 2001 From: Brent Cook Date: Tue, 1 Jan 2019 22:59:47 -0600 Subject: check if we need to link pthread dynamically On Linux, bionic and musl for instance do not need libpthread. With bionic, there is not even a stub library for compatibility. --- m4/check-libc.m4 | 1 + m4/check-os-options.m4 | 4 +--- 2 files changed, 2 insertions(+), 3 deletions(-) (limited to 'm4') diff --git a/m4/check-libc.m4 b/m4/check-libc.m4 index a4df0b7..85d253a 100644 --- a/m4/check-libc.m4 +++ b/m4/check-libc.m4 @@ -130,6 +130,7 @@ AC_CHECK_FUNCS([getauxval]) AC_SEARCH_LIBS([dl_iterate_phdr],[dl]) AC_CHECK_FUNCS([dl_iterate_phdr]) +AC_SEARCH_LIBS([pthread_once],[pthread]) AC_SEARCH_LIBS([clock_gettime],[rt posix4]) AC_CHECK_FUNCS([clock_gettime]) AM_CONDITIONAL([HAVE_CLOCK_GETTIME], [test "x$ac_cv_func_clock_gettime" = xyes]) diff --git a/m4/check-os-options.m4 b/m4/check-os-options.m4 index 414e63d..9fc0faf 100644 --- a/m4/check-os-options.m4 +++ b/m4/check-os-options.m4 @@ -9,7 +9,7 @@ case $host_os in if test "`echo $CC | cut -d ' ' -f 1`" != "gcc" ; then CFLAGS="-qnoansialias $USER_CFLAGS" fi - AC_SUBST([PLATFORM_LDADD], ['-lperfstat -lpthread']) + AC_SUBST([PLATFORM_LDADD], ['-lperfstat']) ;; *cygwin*) HOST_OS=cygwin @@ -74,13 +74,11 @@ char buf[1]; getentropy(buf, 1); CFLAGS="-g -O2 +DD64 +Otype_safety=off $USER_CFLAGS" fi CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=600 -D__STRICT_ALIGNMENT" - AC_SUBST([PLATFORM_LDADD], ['-lpthread']) ;; *linux*) HOST_OS=linux HOST_ABI=elf CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_SOURCE -D_GNU_SOURCE" - AC_SUBST([PLATFORM_LDADD], ['-lpthread']) ;; *netbsd*) HOST_OS=netbsd -- cgit v1.2.3-55-g6feb