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authorWerner Lemberg <wl@gnu.org>2018-01-07 18:41:54 +0100
committerWerner Lemberg <wl@gnu.org>2018-01-07 19:06:19 +0100
commit1d6773e6d999c37e7927c5d9cc48fb87d0dbf0cb (patch)
tree61e2902489755515d085e459b5c079f69423cf5c /builds
parent21bd9c2f8ce57b20204ef505e9a64f55350edec0 (diff)
downloadfreetype2-1d6773e6d999c37e7927c5d9cc48fb87d0dbf0cb.tar.gz
Add check for librt, needed for `ftbench' (#52824).
* builds/unix/configure.raw: Call AC_USE_SYSTEM_EXTENSIONS. (LIB_CLOCK_GETTIME): Define; this will hold `-lrt' if necessary. * builds/unix/unix-cc.in (LIB_CLOCK_GETTIME): New variable.
Diffstat (limited to 'builds')
-rw-r--r--builds/unix/configure.raw15
-rw-r--r--builds/unix/unix-cc.in3
2 files changed, 17 insertions, 1 deletions
diff --git a/builds/unix/configure.raw b/builds/unix/configure.raw
index 126e0914b..b5d11b2fb 100644
--- a/builds/unix/configure.raw
+++ b/builds/unix/configure.raw
@@ -509,6 +509,21 @@ if test x"$with_harfbuzz" = xyes -a "$have_harfbuzz" = no; then
fi
+# check for librt
+#
+# We need `clock_gettime' for the `ftbench' demo program.
+#
+# The code is modeled after gnulib's file `clock_time.m4', ignoring
+# very old Solaris systems.
+
+LIB_CLOCK_GETTIME=
+AC_SEARCH_LIBS([clock_gettime],
+ [rt],
+ [test "$ac_cv_search_clock_gettime" = "none required" \
+ || LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime])
+AC_SUBST([LIB_CLOCK_GETTIME])
+
+
# Some options handling SDKs/archs in CFLAGS should be copied
# to LDFLAGS. Apple TechNote 2137 recommends to include these
# options in CFLAGS but not in LDFLAGS.
diff --git a/builds/unix/unix-cc.in b/builds/unix/unix-cc.in
index 9b888c7d4..a06246d63 100644
--- a/builds/unix/unix-cc.in
+++ b/builds/unix/unix-cc.in
@@ -93,7 +93,8 @@ CC := $(LIBTOOL) --mode=compile $(CCraw)
# Linker flags.
#
-LDFLAGS := @LDFLAGS@
+LDFLAGS := @LDFLAGS@
+LIB_CLOCK_GETTIME := @LIB_CLOCK_GETTIME@ # for ftbench
# export symbols