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build: correct library detection logic

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This commit is contained in:
Danny Robson 2016-02-26 12:13:46 +11:00
parent ac897e91ea
commit cf5e897ca7
1 changed files with 11 additions and 8 deletions
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19
configure.ac
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@ -49,17 +49,18 @@ AC_FUNC_MMAP
AC_CHECK_HEADERS([execinfo.h], [break;], [have_execinfo_h=true])
AM_CONDITIONAL([HAVE_EXECINFO_H], [test "x$have_execinfo_h" = "xtrue"])
AC_SEARCH_LIBS([clock_gettime], [rt], [], [
AC_MSG_ERROR([unable to find the clock library])
])
AC_SEARCH_LIBS([clock_gettime], [rt])
AS_IF([test "x$ac_cv_search_clock_gettime" == "x-*"], [
AX_APPEND_LINK_FLAGS([$ac_cv_search_clock_gettime], [], [-Werror])
AC_SEARCH_LIBS([cos], [m], [], [
AC_MSG_ERROR([unable to find the maths library])
])
## Use dynamic loader if present (for util::library)
AS_IF(
[test "x${host_os}" != "xmingw32"],
[AC_SEARCH_LIBS([dlopen], [dl])]
)
AS_IF([test "x${host_os}" != "xmingw32"],[
AC_SEARCH_LIBS([dlopen], [dl])
])
###############################################################################
@ -98,7 +99,9 @@ AC_SUBST(ZLIB_CFLAGS)
AC_SUBST(ZLIB_LIBS)
AC_CHECK_TOOL([ADDR2LINE], [addr2line], [:])
AS_IF([test "x$ADDR2LINE" != "x:"], [AC_DEFINE_UNQUOTED([ADDR2LINE], ["$ADDR2LINE"], [addr2line tool name])])
AS_IF([test "x$ADDR2LINE" != "x:"], [
AC_DEFINE_UNQUOTED([ADDR2LINE], ["$ADDR2LINE"], [addr2line tool name])
])
###############################################################################
## Performance and build optimisations