Re: [Iprdd-devel] [PATCH iprutils 2/3] configure.ac: use pow() instead of matherr() for libm check

[Gabriel Krisman Bertazi]

Thomas Petazzoni  writes:

> From: Bernd Kuhls 
>
> In certain configurations of uClibc, the matherr() function may not be
> provided by the C library, which makes the current configure.ac check
> for libm fail. However, iprutils does not use matherr(), so using this
> function for the test makes little sense.
>
> This patch adjusts configure.ac to test for pow() instead, which is
> actually used by iprutils, and more commonly available, including in
> uClibc.
>

Reviewed-by: Gabriel Krisman Bertazi 

-- 
Gabriel Krisman Bertazi


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[Iprdd-devel] [PATCH iprutils 2/3] configure.ac: use pow() instead of matherr() for libm check

[Thomas Petazzoni]

From: Bernd Kuhls 

In certain configurations of uClibc, the matherr() function may not be
provided by the C library, which makes the current configure.ac check
for libm fail. However, iprutils does not use matherr(), so using this
function for the test makes little sense.

This patch adjusts configure.ac to test for pow() instead, which is
actually used by iprutils, and more commonly available, including in
uClibc.

Signed-off-by: Bernd Kuhls 
Signed-off-by: Thomas Petazzoni 
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index c1a4f70..e430554 100644
--- a/configure.ac
+++ b/configure.ac
@@ -129,7 +129,7 @@ save_LIBS="$LIBS"
 AC_CHECK_LIB([ncurses], [curses_version], [],
 [AC_ERROR("libncurses not found.")])
 AC_CHECK_LIB([form], [free_form], [], [AC_ERROR("libform not found.")])
-AC_CHECK_LIB([m], [matherr], [], [AC_ERROR("libm not found.")])
+AC_CHECK_LIB([m], [pow], [], [AC_ERROR("libm not found.")])
 AC_CHECK_LIB([menu], [new_menu], [], [AC_ERROR("libmenu not found.")])
 AC_CHECK_LIB([panel], [show_panel], [], [AC_ERROR("libpanel not found.")])
 IPRCONFIG_LIBS="$LIBS"
-- 
2.6.4


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