On Mon, 11 Dec 2017, 李欣?h(Xinyue Li) via Pcre-dev wrote:
> I am a user of pcre2-10.21. I typed ./configure prefix=/my/path/to/pcre and then typed make. However, there is error message like below:
> src/pcre2grep.c: In function 'grep_or_recurse':
> src/pcre2grep.c:2208: error: 'errno' undeclared (first use in this function)
Which operating system? The 'errno' variable should be declared in the
errno.h header, as specified by the C standard. That header is #included
in the pcre2grep source.