ed961f1128
Signed-off-by: Samuel Martin <s.martin49@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
89 lines
2.2 KiB
Diff
89 lines
2.2 KiB
Diff
From 81289d1d1adaf5a767a4b4d1309c286468cfd37f Mon Sep 17 00:00:00 2001
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From: Samuel Martin <s.martin49@gmail.com>
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Date: Thu, 24 Apr 2014 23:27:32 +0200
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Subject: [PATCH 1/5] auto/type/sizeof: rework autotest to be cross-compilation
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friendly
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Rework the sizeof test to do the checks at compile time instead of at
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runtime. This way, it does not break when cross-compiling for a
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different CPU architecture.
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Signed-off-by: Samuel Martin <s.martin49@gmail.com>
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---
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auto/types/sizeof | 42 ++++++++++++++++++++++++++++--------------
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1 file changed, 28 insertions(+), 14 deletions(-)
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diff --git a/auto/types/sizeof b/auto/types/sizeof
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index 9215a54..c2c3ede 100644
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--- a/auto/types/sizeof
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+++ b/auto/types/sizeof
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@@ -14,7 +14,7 @@ END
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ngx_size=
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-cat << END > $NGX_AUTOTEST.c
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+cat << _EOF > $NGX_AUTOTEST.c
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#include <sys/types.h>
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#include <sys/time.h>
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@@ -25,29 +25,43 @@ $NGX_INCLUDE_UNISTD_H
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$NGX_INCLUDE_INTTYPES_H
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$NGX_INCLUDE_AUTO_CONFIG_H
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-int main() {
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- printf("%d", (int) sizeof($ngx_type));
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+#if !defined( PASTE)
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+#define PASTE2( x, y) x##y
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+#define PASTE( x, y) PASTE2( x, y)
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+#endif /* PASTE */
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+
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+#define SAY_IF_SIZEOF( typename, type, size) \\
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+ static char PASTE( PASTE( PASTE( sizeof_, typename), _is_), size) \\
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+ [(sizeof(type) == (size)) ? 1 : -1]
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+
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+SAY_IF_SIZEOF(TEST_TYPENAME, TEST_TYPE, TEST_SIZE);
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+
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+int main(void)
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+{
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return 0;
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}
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-END
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-
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+_EOF
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-ngx_test="$CC $CC_TEST_FLAGS $CC_AUX_FLAGS \
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- -o $NGX_AUTOTEST $NGX_AUTOTEST.c $NGX_LD_OPT $ngx_feature_libs"
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+_ngx_typename=`echo "$ngx_type" | sed 's/ /_/g;s/\*/p/'`
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+ngx_size="-1"
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+ngx_size=`for i in 1 2 4 8 16 ; do \
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+ $CC $CC_TEST_FLAGS $CC_AUX_FLAGS \
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+ -DTEST_TYPENAME="$_ngx_typename" -DTEST_TYPE="$ngx_type" -DTEST_SIZE="$i" \
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+ $NGX_AUTOTEST.c -o $NGX_AUTOTEST \
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+ $NGX_LD_OPT $ngx_feature_libs >/dev/null 2>&1 || continue ;\
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+ echo $i ; break ; done`
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-eval "$ngx_test >> $NGX_AUTOCONF_ERR 2>&1"
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+rm -rf $NGX_AUTOTEST*
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+if test -z $ngx_size ; then
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+ ngx_size=-1
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+fi
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-if [ -x $NGX_AUTOTEST ]; then
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- ngx_size=`$NGX_AUTOTEST`
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+if [ $ngx_size -gt 0 ]; then
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echo " $ngx_size bytes"
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fi
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-
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-rm -rf $NGX_AUTOTEST*
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-
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-
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case $ngx_size in
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4)
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if [ "$ngx_type"="long" ]; then
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--
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1.9.2
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