Really build statically

Makefile

@@ -5,8 +5,9 @@ build-libgit2:
 	cat ./vendor/libgit2/libgit2.pc
 	cat ./vendor/install/lib/pkgconfig/libgit2.pc
 
-test: build-libgit2
-	./script/with-static.sh go test ./...
+test: install build-libgit2
+	./script/with-static.sh go test
+	./script/with-less-static.sh go test ./settings
 
 install: build-libgit2
 	./script/with-static.sh go install ./...

git.go

@@ -1,7 +1,6 @@
 package git
 
 /*
-#cgo pkg-config: --static libgit2
 #include <git2.h>
 #include <git2/errors.h>
 */

script/build-libgit2-static.sh

@@ -9,6 +9,7 @@ cd $VENDORED_PATH
 cmake -DTHREADSAFE=ON \
       -DBUILD_CLAR=OFF \
       -DBUILD_SHARED_LIBS=OFF \
+      -DCMAKE_C_FLAGS=-fPIC \
       -DCMAKE_INSTALL_PREFIX=../install \
       .
 

script/with-less-static.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -ex
+
+export INSTALL_LOCATION=$PWD/vendor/install
+export PKG_CONFIG_PATH=$INSTALL_LOCATION/lib/pkgconfig
+
+export PCFILE="$PWD/vendor/libgit2/libgit2.pc"
+
+export CGO_LDFLAGS="$(pkg-config --static --libs $PCFILE)"
+export CGO_CFLAGS="$(pkg-config --static --cflags $PCFILE)"
+
+$@

script/with-static.sh

@@ -4,6 +4,10 @@ set -ex
 
 export INSTALL_LOCATION=$PWD/vendor/install
 export PKG_CONFIG_PATH=$INSTALL_LOCATION/lib/pkgconfig
-export CGO_LDFLAGS='-lrt'
+
+export PCFILE="$PWD/vendor/libgit2/libgit2.pc"
+
+export CGO_LDFLAGS="$PWD/vendor/libgit2/libgit2.a $(pkg-config --static --libs $PCFILE)"
+export CGO_CFLAGS="$(pkg-config --static --cflags $PCFILE)"
 
 $@

settings/settings.go

@@ -1,7 +1,6 @@
 package settings
 
 /*
-#cgo pkg-config: --static libgit2
 #include <git2.h>
 
 int _go_git_opts_get_search_path(int level, git_buf *buf)