commit:     fef0e0c22854d149001db13f0e8872c87a6bf68f
Author:     Michael Haubenwallner <haubi <AT> gentoo <DOT> org>
AuthorDate: Wed Jan 17 15:21:25 2018 +0000
Commit:     Lars Wendler <polynomial-c <AT> gentoo <DOT> org>
CommitDate: Wed Jun 20 09:09:25 2018 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=fef0e0c2

dev-libs/libpcre2: fix cygwin build

Closes: https://bugs.gentoo.org/633612
Package-Manager: Portage-2.3.13, Repoman-2.3.3
Closes: https://github.com/gentoo/gentoo/pull/8918

 dev-libs/libpcre2/files/libpcre2-10.31-cygwin.patch | 16 ++++++++++++++++
 dev-libs/libpcre2/libpcre2-10.31.ebuild             |  4 ++++
 2 files changed, 20 insertions(+)

diff --git a/dev-libs/libpcre2/files/libpcre2-10.31-cygwin.patch 
b/dev-libs/libpcre2/files/libpcre2-10.31-cygwin.patch
new file mode 100644
index 00000000000..3f3a33b366a
--- /dev/null
+++ b/dev-libs/libpcre2/files/libpcre2-10.31-cygwin.patch
@@ -0,0 +1,16 @@
+https://bugs.exim.org/show_bug.cgi?id=2152#c14
+https://vcs.pcre.org/pcre2?view=revision&revision=939
+
+--- pcre2-10.31/src/pcre2grep.c
++++ pcre2-10.31/src/pcre2grep.c
+@@ -64,8 +64,8 @@
+ #endif
+ 
+ /* Some cmake's define it still */
+-#if defined(__CYGWIN__) && !defined(WIN32)
+-#define WIN32
++#if defined(__CYGWIN__) && defined(WIN32)
++#undef WIN32
+ #endif
+ 
+ #ifdef WIN32

diff --git a/dev-libs/libpcre2/libpcre2-10.31.ebuild 
b/dev-libs/libpcre2/libpcre2-10.31.ebuild
index b3366003de6..6cd15f0dac3 100644
--- a/dev-libs/libpcre2/libpcre2-10.31.ebuild
+++ b/dev-libs/libpcre2/libpcre2-10.31.ebuild
@@ -30,6 +30,10 @@ DEPEND="${RDEPEND}
        virtual/pkgconfig
        userland_GNU? ( >=sys-apps/findutils-4.4.0 )"
 
+PATCHES=(
+       "${FILESDIR}"/${P}-cygwin.patch #633612
+)
+
 S="${WORKDIR}/${MY_P}"
 
 MULTILIB_CHOST_TOOLS=(

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