diff --git a/build.go b/build.go
index 9b813b1c..d3f19d82 100644
--- a/build.go
+++ b/build.go
@@ -16,8 +16,8 @@
 
 package openssl
 
-// #cgo linux windows freebsd openbsd pkg-config: libssl libcrypto
-// #cgo linux freebsd openbsd CFLAGS: -Wno-deprecated-declarations
+// #cgo linux windows freebsd openbsd solaris pkg-config: libssl libcrypto
+// #cgo linux freebsd openbsd solaris CFLAGS: -Wno-deprecated-declarations
 // #cgo darwin CFLAGS: -I/usr/local/opt/openssl@1.1/include -I/usr/local/opt/openssl/include -Wno-deprecated-declarations
 // #cgo darwin LDFLAGS: -L/usr/local/opt/openssl@1.1/lib -L/usr/local/opt/openssl/lib -lssl -lcrypto
 // #cgo windows CFLAGS: -DWIN32_LEAN_AND_MEAN
diff --git a/build_static.go b/build_static.go
index 84f6abeb..69fad0a4 100644
--- a/build_static.go
+++ b/build_static.go
@@ -16,8 +16,8 @@
 
 package openssl
 
-// #cgo linux windows freebsd openbsd pkg-config: --static libssl libcrypto
-// #cgo linux freebsd openbsd CFLAGS: -Wno-deprecated-declarations
+// #cgo linux windows freebsd openbsd solaris pkg-config: --static libssl libcrypto
+// #cgo linux freebsd openbsd solaris CFLAGS: -Wno-deprecated-declarations
 // #cgo darwin CFLAGS: -I/usr/local/opt/openssl@1.1/include -I/usr/local/opt/openssl/include -Wno-deprecated-declarations
 // #cgo darwin LDFLAGS: -L/usr/local/opt/openssl@1.1/lib -L/usr/local/opt/openssl/lib -lssl -lcrypto
 // #cgo windows CFLAGS: -DWIN32_LEAN_AND_MEAN