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-rw-r--r--Makefile.am10
-rw-r--r--configure.ac27
2 files changed, 13 insertions, 24 deletions
diff --git a/Makefile.am b/Makefile.am
index 413bd590..007c5de1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -14,12 +14,6 @@ dist-hook:
# Preprocessor flags.
AM_CPPFLAGS += @XOPEN_DEFINES@ -DTMUX_CONF="\"$(sysconfdir)/tmux.conf\""
-# glibc as usual does things ass-backwards and hides useful things by default,
-# so everyone has to add this.
-if IS_GLIBC
-AM_CFLAGS += -D_GNU_SOURCE
-endif
-
# Set flags for gcc.
if IS_GCC
AM_CFLAGS += -std=gnu99 -O2
@@ -47,9 +41,9 @@ endif
# Set flags for Solaris.
if IS_SUNOS
if IS_GCC
-AM_CPPFLAGS += -D_XPG6 -D__EXTENSIONS__ -D_POSIX_PTHREAD_SEMANTICS
+AM_CPPFLAGS += -D_XPG6 -D_POSIX_PTHREAD_SEMANTICS
else
-AM_CPPFLAGS += -D_XPG4_2 -D__EXTENSIONS__ -D_POSIX_PTHREAD_SEMANTICS
+AM_CPPFLAGS += -D_XPG4_2 -D_POSIX_PTHREAD_SEMANTICS
endif
endif
diff --git a/configure.ac b/configure.ac
index 0f84d750..ad20b5fd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,7 @@
# configure.ac
AC_INIT(tmux, master)
+AC_PREREQ([2.60])
AC_CONFIG_AUX_DIR(etc)
AM_INIT_AUTOMAKE([foreign subdir-objects])
@@ -26,6 +27,7 @@ AC_PROG_CPP
AC_PROG_EGREP
AC_PROG_INSTALL
PKG_PROG_PKG_CONFIG
+AC_USE_SYSTEM_EXTENSIONS
# Default tmux.conf goes in /etc not ${prefix}/etc.
test "$sysconfdir" = '${prefix}/etc' && sysconfdir=/etc
@@ -79,22 +81,6 @@ AC_EGREP_CPP(
)
AM_CONDITIONAL(IS_SUNCC, test "x$found_suncc" = xyes)
-# Is this glibc?
-AC_MSG_CHECKING(for glibc)
-AC_EGREP_CPP(
- yes,
- [
- #include <features.h>
- #ifdef __GLIBC__
- yes
- #endif
- ],
- found_glibc=yes,
- found_glibc=no
-)
-AM_CONDITIONAL(IS_GLIBC, test "x$found_glibc" = xyes)
-AC_MSG_RESULT($found_glibc)
-
# Check for various headers. Alternatives included from compat.h.
AC_CHECK_HEADERS(
[ \
@@ -390,6 +376,15 @@ AM_CONDITIONAL(NO_CLOSEFROM, [test "x$found_closefrom" = xno])
# Look for daemon, compat/daemon.c used if missing.
AC_CHECK_FUNC(daemon, found_daemon=yes, found_daemon=no)
+AC_CHECK_DECL(
+ daemon,
+ ,
+ found_daemon=no,
+ [
+ #include <stdlib.h>
+ #include <unistd.h>
+ ]
+)
if test "x$found_daemon" = xyes; then
AC_DEFINE(HAVE_DAEMON)
fi