52 lines
1.8 KiB
Diff
52 lines
1.8 KiB
Diff
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From 8a4a9b82d4f8fd39db8417fd06d969505fde9d0a Mon Sep 17 00:00:00 2001
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From: Rodrigo Rebello <rprebello@gmail.com>
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Date: Tue, 22 Dec 2015 18:02:22 -0200
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Subject: [PATCH 1/1] configure.ac: add option to disable image output
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Even when the gd library is present, it may be desirable to not build
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'vnstati' as image output is an optional feature.
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Also, when testing for the gd library, use gdImagePng() instead of
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gdImageLine() since it's possible that the installed gd library doesn't
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have PNG support. In such cases, the test in the configure script passed
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(because gdImageLine() is always present), but the build failed with:
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src/vnstati.o: In function `writeoutput':
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vnstati.c:(.text+0x3fc): undefined reference to `gdImagePng'
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collect2: error: ld returned 1 exit status
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Upstream status: accepted, not yet released.
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https://github.com/vergoh/vnstat/pull/35
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Signed-off-by: Rodrigo Rebello <rprebello@gmail.com>
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---
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configure.ac | 10 ++++++++--
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1 file changed, 8 insertions(+), 2 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index be3d449..89f71ef 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -13,10 +13,16 @@ AM_PROG_CC_C_O
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AC_PROG_MAKE_SET
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AC_PROG_MKDIR_P
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+AC_ARG_ENABLE([image-output], [
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+AS_HELP_STRING([--disable-image-output], [disable PNG image output])])
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+
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# Checks for libraries.
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AC_CHECK_LIB([m], [pow])
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-AC_CHECK_LIB([gd], [gdImageLine], [IMAGELIBS=-lgd])
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-AC_SUBST([IMAGELIBS])
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+
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+AS_IF([test "x$enable_image_output" != "xno"], [
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+AC_CHECK_LIB([gd], [gdImagePng], [IMAGELIBS=-lgd])
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+AC_SUBST([IMAGELIBS])])
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+
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AM_CONDITIONAL([HAVE_LIBGD], [test "$IMAGELIBS" = "-lgd"])
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PKG_CHECK_MODULES([CHECK], [check >= 0.9.6], [], [AC_MSG_NOTICE([testcases can not be execute without check installed])])
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AM_CONDITIONAL([HAVE_CHECK], [test "$CHECK_LIBS"])
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--
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2.1.4
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