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<h3>
Matt Selsky pushed to branch master
at <a href="https://gitlab.com/NTPsec/ntpsec">NTPsec / ntpsec</a>
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<h4>
Commits:
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<strong><a href="https://gitlab.com/NTPsec/ntpsec/commit/7ea832b9b9b4d16837700e225b53c174c35ddf3e">7ea832b9</a></strong>
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<span>by Matt Selsky</span>
<i>at 2018-03-05T05:29:57Z</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Explicitly check for m4 during configure to avoid surprises later

If bison can't find m4 at build time, it throws a non-obvious error.

Fix GitLab issue #464
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<h4>1 changed file:</h4>
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<a href="#b34a593c1e0ea53fe3287233c88b273e6a6f045b">
wscript
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<h4>Changes:</h4>
<li id="b34a593c1e0ea53fe3287233c88b273e6a6f045b">
<a href="https://gitlab.com/NTPsec/ntpsec/commit/7ea832b9b9b4d16837700e225b53c174c35ddf3e#b34a593c1e0ea53fe3287233c88b273e6a6f045b"><strong>wscript</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -123,6 +123,8 @@ def configure(ctx):</td>
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<pre style="margin: 0;"> <span id="LC123" class="line" lang="plaintext">    ctx.load('compiler_c')</span>
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<pre style="margin: 0;"> <span id="LC124" class="line" lang="plaintext">    ctx.start_msg('Checking compiler version')</span>
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<pre style="margin: 0;"> <span id="LC125" class="line" lang="plaintext">    ctx.end_msg("%s" % ".".join(ctx.env.CC_VERSION))</span>
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<pre style="margin: 0;">+<span id="LC126" class="line" lang="plaintext">    # Ensure m4 is present, or bison will fail with SIGPIPE</span>
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<pre style="margin: 0;">+<span id="LC127" class="line" lang="plaintext">    ctx.find_program('m4')</span>
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<pre style="margin: 0;"> <span id="LC128" class="line" lang="plaintext">    ctx.load('bison')</span>
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<pre style="margin: 0;"> <span id="LC129" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC130" class="line" lang="plaintext">    for opt in opt_map:</span>
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