allow -flto to be set when cross compiling
Costa Tsaousis (ktsaou) committed
Mar 12, 2017 at 01:28 UTC
aa20eece28fce4517d781b6c47ada472cb188faf
2 files changed
+5
-3
configure.ac
+3
-1
@@ -405,9 +405,11 @@ fi
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if test "${have_lto}" = "yes"; then
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oCFLAGS="${CFLAGS}"
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CFLAGS="${CFLAGS} -flto ${OPTIONAL_MATH_CLFAGS} ${OPTIONAL_NFACCT_CLFAGS} ${OPTIONAL_ZLIB_CLFAGS} ${OPTIONAL_UUID_CLFAGS} ${OPTIONAL_LIBCAP_CFLAGS} ${OPTIONAL_IPMIMONITORING_CFLAGS}"
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+ ac_cv_c_lto_cross_compile="${enable_lto}"
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+ test "${ac_cv_c_lto_cross_compile}" != "yes" && ac_cv_c_lto_cross_compile="no"
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AC_C_LTO
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CFLAGS="${oCFLAGS}"
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- test "${ac_cv_c_lto}" = "no" && have_lto="no"
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+ test "${ac_cv_c_lto}" != "yes" && have_lto="no"
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fi
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test "${enable_lto}" = "yes" -a "${have_lto}" != "yes" && \
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AC_MSG_ERROR([LTO is required but is not available.])
m4/ax_c_lto.m4
+2
-2
@@ -13,8 +13,8 @@ AC_DEFUN([AC_C_LTO],
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]])],
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[ac_cv_c_lto=yes],
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[ac_cv_c_lto=no],
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- [ac_cv_c_lto=no])])
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-if test $ac_cv_c_lto = yes; then
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+ [ac_cv_c_lto=${ac_cv_c_lto_cross_compile}])])
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+if test "${ac_cv_c_lto}" = "yes"; then
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AC_DEFINE([HAVE_LTO], 1,
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[Define to 1 if -flto works.])
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fi