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authorBrent Cook <busterb@gmail.com>2019-01-01 22:59:47 -0600
committerBrent Cook <busterb@gmail.com>2019-01-07 06:46:03 -0600
commit3f189a24f23d5540441384ad2581f3f4886344df (patch)
treeefde5e041fe0015329fc7a54618fecc43c98c72c /m4
parent4eb8da3e07717103fceadf7138a3f377ab1c5110 (diff)
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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.
Diffstat (limited to 'm4')
-rw-r--r--m4/check-libc.m41
-rw-r--r--m4/check-os-options.m44
2 files changed, 2 insertions, 3 deletions
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])
130AC_SEARCH_LIBS([dl_iterate_phdr],[dl]) 130AC_SEARCH_LIBS([dl_iterate_phdr],[dl])
131AC_CHECK_FUNCS([dl_iterate_phdr]) 131AC_CHECK_FUNCS([dl_iterate_phdr])
132 132
133AC_SEARCH_LIBS([pthread_once],[pthread])
133AC_SEARCH_LIBS([clock_gettime],[rt posix4]) 134AC_SEARCH_LIBS([clock_gettime],[rt posix4])
134AC_CHECK_FUNCS([clock_gettime]) 135AC_CHECK_FUNCS([clock_gettime])
135AM_CONDITIONAL([HAVE_CLOCK_GETTIME], [test "x$ac_cv_func_clock_gettime" = xyes]) 136AM_CONDITIONAL([HAVE_CLOCK_GETTIME], [test "x$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
9 if test "`echo $CC | cut -d ' ' -f 1`" != "gcc" ; then 9 if test "`echo $CC | cut -d ' ' -f 1`" != "gcc" ; then
10 CFLAGS="-qnoansialias $USER_CFLAGS" 10 CFLAGS="-qnoansialias $USER_CFLAGS"
11 fi 11 fi
12 AC_SUBST([PLATFORM_LDADD], ['-lperfstat -lpthread']) 12 AC_SUBST([PLATFORM_LDADD], ['-lperfstat'])
13 ;; 13 ;;
14 *cygwin*) 14 *cygwin*)
15 HOST_OS=cygwin 15 HOST_OS=cygwin
@@ -74,13 +74,11 @@ char buf[1]; getentropy(buf, 1);
74 CFLAGS="-g -O2 +DD64 +Otype_safety=off $USER_CFLAGS" 74 CFLAGS="-g -O2 +DD64 +Otype_safety=off $USER_CFLAGS"
75 fi 75 fi
76 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=600 -D__STRICT_ALIGNMENT" 76 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=600 -D__STRICT_ALIGNMENT"
77 AC_SUBST([PLATFORM_LDADD], ['-lpthread'])
78 ;; 77 ;;
79 *linux*) 78 *linux*)
80 HOST_OS=linux 79 HOST_OS=linux
81 HOST_ABI=elf 80 HOST_ABI=elf
82 CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_SOURCE -D_GNU_SOURCE" 81 CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_SOURCE -D_GNU_SOURCE"
83 AC_SUBST([PLATFORM_LDADD], ['-lpthread'])
84 ;; 82 ;;
85 *netbsd*) 83 *netbsd*)
86 HOST_OS=netbsd 84 HOST_OS=netbsd