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[freetype2] master 111f2f2 62/68: * builds/unix/ax_pthread.m4: Update fr
From: |
Werner Lemberg |
Subject: |
[freetype2] master 111f2f2 62/68: * builds/unix/ax_pthread.m4: Update from 'autoconf-archive'. |
Date: |
Fri, 5 Mar 2021 09:29:44 -0500 (EST) |
branch: master
commit 111f2f27b5719f99da8395ca6d93f02c8a03c6ec
Author: Werner Lemberg <wl@gnu.org>
Commit: Werner Lemberg <wl@gnu.org>
* builds/unix/ax_pthread.m4: Update from 'autoconf-archive'.
A bunch of fixes were added recently to its git repository.
---
ChangeLog | 6 ++++++
builds/unix/ax_pthread.m4 | 37 ++++++++++++++++++++++++++-----------
2 files changed, 32 insertions(+), 11 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 2b198b4..cec1407 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2021-02-19 Werner Lemberg <wl@gnu.org>
+
+ * builds/unix/ax_pthread.m4: Update from 'autoconf-archive'.
+
+ A bunch of fixes were added recently to its git repository.
+
2021-02-17 Werner Lemberg <wl@gnu.org>
[unix] Updates for autoconf 2.71.
diff --git a/builds/unix/ax_pthread.m4 b/builds/unix/ax_pthread.m4
index 507f182..e5858e5 100644
--- a/builds/unix/ax_pthread.m4
+++ b/builds/unix/ax_pthread.m4
@@ -14,20 +14,24 @@
# flags that are needed. (The user can also force certain compiler
# flags/libs to be tested by setting these environment variables.)
#
-# Also sets PTHREAD_CC to any special C compiler that is needed for
-# multi-threaded programs (defaults to the value of CC otherwise). (This
-# is necessary on AIX to use the special cc_r compiler alias.)
+# Also sets PTHREAD_CC and PTHREAD_CXX to any special C compiler that is
+# needed for multi-threaded programs (defaults to the value of CC
+# respectively CXX otherwise). (This is necessary on e.g. AIX to use the
+# special cc_r/CC_r compiler alias.)
#
# NOTE: You are assumed to not only compile your program with these flags,
# but also to link with them as well. For example, you might link with
# $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
+# $PTHREAD_CXX $CXXFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
#
# If you are only building threaded programs, you may wish to use these
# variables in your default LIBS, CFLAGS, and CC:
#
# LIBS="$PTHREAD_LIBS $LIBS"
# CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+# CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS"
# CC="$PTHREAD_CC"
+# CXX="$PTHREAD_CXX"
#
# In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant
# has a nonstandard name, this macro defines PTHREAD_CREATE_JOINABLE to
@@ -83,11 +87,11 @@
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 27
+#serial 30
AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
AC_DEFUN([AX_PTHREAD], [
-AC_REQUIRE([AC_CANONICAL_HOST])
+AC_REQUIRE([AC_CANONICAL_TARGET])
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_SED])
AC_LANG_PUSH([C])
@@ -105,6 +109,7 @@ if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then
ax_pthread_save_CFLAGS="$CFLAGS"
ax_pthread_save_LIBS="$LIBS"
AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"])
+ AS_IF([test "x$PTHREAD_CXX" != "x"], [CXX="$PTHREAD_CXX"])
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
LIBS="$PTHREAD_LIBS $LIBS"
AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS
$PTHREAD_LIBS])
@@ -153,7 +158,7 @@ ax_pthread_flags="pthreads none -Kthread -pthread -pthreads
-mthreads pthread --
# --thread-safe: KAI C++
# pthread-config: use pthread-config program (for GNU Pth library)
-case $host_os in
+case $target_os in
freebsd*)
@@ -243,7 +248,7 @@ AS_IF([test "x$ax_pthread_clang" = "xyes"],
# definitions is, on some systems, a strong hint that pthreads support is
# correctly enabled
-case $host_os in
+case $target_os in
darwin* | hpux* | linux* | osf* | solaris*)
ax_pthread_check_macro="_REENTRANT"
;;
@@ -445,7 +450,7 @@ if test "x$ax_pthread_ok" = "xyes"; then
AC_CACHE_CHECK([whether more special flags are required for pthreads],
[ax_cv_PTHREAD_SPECIAL_FLAGS],
[ax_cv_PTHREAD_SPECIAL_FLAGS=no
- case $host_os in
+ case $target_os in
solaris*)
ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS"
;;
@@ -475,25 +480,35 @@ if test "x$ax_pthread_ok" = "xyes"; then
# More AIX lossage: compile with *_r variant
if test "x$GCC" != "xyes"; then
- case $host_os in
+ case $target_os in
aix*)
AS_CASE(["x/$CC"],
[x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
[#handle absolute path differently from PATH based program
lookup
AS_CASE(["x$CC"],
[x/*],
-
[AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])],
- [AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])])
+ [
+
AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])
+ AS_IF([test "x${CXX}" != "x"],
[AS_IF([AS_EXECUTABLE_P([${CXX}_r])],[PTHREAD_CXX="${CXX}_r"])])
+ ],
+ [
+ AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])
+ AS_IF([test "x${CXX}" != "x"],
[AC_CHECK_PROGS([PTHREAD_CXX],[${CXX}_r],[$CXX])])
+ ]
+ )
+ ])
;;
esac
fi
fi
test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
+test -n "$PTHREAD_CXX" || PTHREAD_CXX="$CXX"
AC_SUBST([PTHREAD_LIBS])
AC_SUBST([PTHREAD_CFLAGS])
AC_SUBST([PTHREAD_CC])
+AC_SUBST([PTHREAD_CXX])
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test "x$ax_pthread_ok" = "xyes"; then
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