commit:     01fa816214124421eb411b4fe0136af92cdc314a
Author:     Michael Orlitzky <mjo <AT> gentoo <DOT> org>
AuthorDate: Sun Mar  1 13:28:15 2020 +0000
Commit:     Michael Orlitzky <mjo <AT> gentoo <DOT> org>
CommitDate: Sun Mar  1 13:58:34 2020 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=01fa8162
sci-mathematics/gmp-ecm: fix USE=custom-tune.

I overzealously removed the series of steps needed to build gmp-ecm
with custom parameters in the -r2. We need to build, find the custom
parameters, and then build again to reap the benefits. I left a
comment in the ebuild to explain that to other, future mes.

Bug: https://bugs.gentoo.org/711078
Package-Manager: Portage-2.3.84, Repoman-2.3.20
Signed-off-by: Michael Orlitzky <mjo <AT> gentoo.org>

 sci-mathematics/gmp-ecm/gmp-ecm-7.0.4-r2.ebuild | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sci-mathematics/gmp-ecm/gmp-ecm-7.0.4-r2.ebuild 
b/sci-mathematics/gmp-ecm/gmp-ecm-7.0.4-r2.ebuild
index 62d2aabe95e..fa9bae77856 100644
--- a/sci-mathematics/gmp-ecm/gmp-ecm-7.0.4-r2.ebuild
+++ b/sci-mathematics/gmp-ecm/gmp-ecm-7.0.4-r2.ebuild
@@ -26,6 +26,16 @@ pkg_pretend() {
        use openmp && tc-check-openmp
 }
 
+src_compile() {
+       default
+       if use custom-tune; then
+               # One "emake" was needed to build the library. Now we can find
+               # the best set of parameters, and then run "emake" one more time
+               # to rebuild the library with the custom parameters. See the
+               # project's README or INSTALL-ecm
+               emake ecm-params && emake
+       fi
+}
 src_configure() {
        econf \
                --enable-shared \

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